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-   -   Help on SSB failure (https://www.radiobanter.com/cb/63613-help-ssb-failure.html)

Vinnie S. February 5th 05 04:49 AM

Help on SSB failure
 
I am talking to a local on 38 LSB. I am cutting out after about 2-3 seconds of
talking. He says I am fine for about 2-3 seconds, and then just go dead. Not
happening on AM. I switched power mics, with the same result. Also happend on
USB. Then I went and put the radio in the car, and the problem went away. The
local said it's my power supply not having enough juice. But it's 12 amp
constant, 14 amp surge. It's a PyramidPS-14KX. Again, I am running barefoot with
a HR-2510. Is it the power supply? Should I add more caps for filtering?

Can anyone help?

Vinnie S.

Jim February 5th 05 06:32 AM

You still need a bigger Power supply, The Pyramid brand has a tendency to
advertise more than what they actually put out. I had the same problem.
Invest in a nice 20 Amp Astron, or tripp-lite power supply and that will
take care of things for you. You can always get a good deal on one used if
you look. Qrz.com classifieds, Qth.com classifieds, etc. Good luck!





[email protected] name February 5th 05 07:47 AM

I am talking to a local on 38 LSB. I am cutting out after about 2-3 seconds of
talking. He says I am fine for about 2-3 seconds, and then just go dead. Not
happening on AM. I switched power mics, with the same result. Also happend on
USB. Then I went and put the radio in the car, and the problem went away. The
local said it's my power supply not having enough juice. But it's 12 amp
constant, 14 amp surge. It's a PyramidPS-14KX. Again, I am running barefoot with
a HR-2510. Is it the power supply? Should I add more caps for filtering?

Can anyone help?

Vinnie S.


You are running an ILLEGAL KEYCLOWN RADIO no wonder it
don't work right.

Vinnie S. February 5th 05 03:03 PM

On Sat, 5 Feb 2005 00:32:26 -0600, "Jim" wrote:

You still need a bigger Power supply, The Pyramid brand has a tendency to
advertise more than what they actually put out. I had the same problem.
Invest in a nice 20 Amp Astron, or tripp-lite power supply and that will
take care of things for you. You can always get a good deal on one used if
you look. Qrz.com classifieds, Qth.com classifieds, etc. Good luck!





The HR-2510 has a 7 amp fuse. So if what you are saying is correct, thei supply
can't pull half of it's rating?

Vinnie S.

SideBand February 5th 05 04:18 PM

Vinnie S. wrote:
I am talking to a local on 38 LSB. I am cutting out after about 2-3 seconds of
talking. He says I am fine for about 2-3 seconds, and then just go dead. Not
happening on AM. I switched power mics, with the same result. Also happend on
USB. Then I went and put the radio in the car, and the problem went away. The
local said it's my power supply not having enough juice. But it's 12 amp
constant, 14 amp surge. It's a PyramidPS-14KX. Again, I am running barefoot with
a HR-2510. Is it the power supply? Should I add more caps for filtering?

Can anyone help?

Vinnie S.


Try finding a small (inexpensive) 13.8V Car battery, and hooking it in
parallel (+ to + and - to -) with your power supply.. The battery will
pick up the slack the power supply can't provide, and the supply will
charge the battery when you're not talking.. Neat solution...

One caveat, though.. once the battery is at full charge, you'll need to
either turn off the power supply, or turn something on (a radio, etc) to
provide SOME load to the power supply so the batter doesn't get overcharged.

I run all my HAM base station gear like this...

-SSB

Vinnie S. February 5th 05 05:12 PM

On Sat, 05 Feb 2005 16:18:45 GMT, SideBand wrote:

Vinnie S. wrote:
I am talking to a local on 38 LSB. I am cutting out after about 2-3 seconds of
talking. He says I am fine for about 2-3 seconds, and then just go dead. Not
happening on AM. I switched power mics, with the same result. Also happend on
USB. Then I went and put the radio in the car, and the problem went away. The
local said it's my power supply not having enough juice. But it's 12 amp
constant, 14 amp surge. It's a PyramidPS-14KX. Again, I am running barefoot with
a HR-2510. Is it the power supply? Should I add more caps for filtering?

Can anyone help?

Vinnie S.


Try finding a small (inexpensive) 13.8V Car battery, and hooking it in
parallel (+ to + and - to -) with your power supply.. The battery will
pick up the slack the power supply can't provide, and the supply will
charge the battery when you're not talking.. Neat solution...

One caveat, though.. once the battery is at full charge, you'll need to
either turn off the power supply, or turn something on (a radio, etc) to
provide SOME load to the power supply so the batter doesn't get overcharged.

I run all my HAM base station gear like this...

-SSB


I am still trying to narrow it down. This might be an intermittent problem. I
was talking SSB during the day, and this didn't occur. Could it be an RF
feedback problem? I just installed an 8 foot ground rod, and will run the wire
tonight. Would this dissipate some of the RF?


Vinnie S.

SideBand February 6th 05 02:27 AM

Vinnie S. wrote:
On Sat, 05 Feb 2005 16:18:45 GMT, SideBand wrote:


Vinnie S. wrote:

I am talking to a local on 38 LSB. I am cutting out after about 2-3 seconds of
talking. He says I am fine for about 2-3 seconds, and then just go dead. Not
happening on AM. I switched power mics, with the same result. Also happend on
USB. Then I went and put the radio in the car, and the problem went away. The
local said it's my power supply not having enough juice. But it's 12 amp
constant, 14 amp surge. It's a PyramidPS-14KX. Again, I am running barefoot with
a HR-2510. Is it the power supply? Should I add more caps for filtering?

Can anyone help?

Vinnie S.


Try finding a small (inexpensive) 13.8V Car battery, and hooking it in
parallel (+ to + and - to -) with your power supply.. The battery will
pick up the slack the power supply can't provide, and the supply will
charge the battery when you're not talking.. Neat solution...

One caveat, though.. once the battery is at full charge, you'll need to
either turn off the power supply, or turn something on (a radio, etc) to
provide SOME load to the power supply so the batter doesn't get overcharged.

I run all my HAM base station gear like this...

-SSB



I am still trying to narrow it down. This might be an intermittent problem. I
was talking SSB during the day, and this didn't occur. Could it be an RF
feedback problem? I just installed an 8 foot ground rod, and will run the wire
tonight. Would this dissipate some of the RF?


Vinnie S.


Depends on how (and where) you have it hooked up. NEI, if you remember
that from school...

-SSB

Jeff Mayner February 6th 05 06:14 PM

Vinnie S. wrote:
I am talking to a local on 38 LSB. I am cutting out after about 2-3
seconds of talking. He says I am fine for about 2-3 seconds, and then
just go dead. Not happening on AM. I switched power mics, with the
same result. Also happend on USB. Then I went and put the radio in
the car, and the problem went away. The local said it's my power
supply not having enough juice. But it's 12 amp constant, 14 amp
surge. It's a PyramidPS-14KX. Again, I am running barefoot with a
HR-2510. Is it the power supply? Should I add more caps for
filtering?

Can anyone help?


Shoulda bought a bigger PS.

Jeff


Vinnie S.




Vinnie S. February 6th 05 07:50 PM

On Sun, 6 Feb 2005 10:14:15 -0800, "Jeff Mayner" wrote:

Vinnie S. wrote:
I am talking to a local on 38 LSB. I am cutting out after about 2-3
seconds of talking. He says I am fine for about 2-3 seconds, and then
just go dead. Not happening on AM. I switched power mics, with the
same result. Also happend on USB. Then I went and put the radio in
the car, and the problem went away. The local said it's my power
supply not having enough juice. But it's 12 amp constant, 14 amp
surge. It's a PyramidPS-14KX. Again, I am running barefoot with a
HR-2510. Is it the power supply? Should I add more caps for
filtering?

Can anyone help?


Shoulda bought a bigger PS.



Brilliant.

Vinnie S.

Vinnie S. February 6th 05 08:15 PM

On Sun, 06 Feb 2005 02:27:24 GMT, SideBand wrote:

Vinnie S. wrote:
On Sat, 05 Feb 2005 16:18:45 GMT, SideBand wrote:


Vinnie S. wrote:

I am talking to a local on 38 LSB. I am cutting out after about 2-3 seconds of
talking. He says I am fine for about 2-3 seconds, and then just go dead. Not
happening on AM. I switched power mics, with the same result. Also happend on
USB. Then I went and put the radio in the car, and the problem went away. The
local said it's my power supply not having enough juice. But it's 12 amp
constant, 14 amp surge. It's a PyramidPS-14KX. Again, I am running barefoot with
a HR-2510. Is it the power supply? Should I add more caps for filtering?

Can anyone help?

Vinnie S.

Try finding a small (inexpensive) 13.8V Car battery, and hooking it in
parallel (+ to + and - to -) with your power supply.. The battery will
pick up the slack the power supply can't provide, and the supply will
charge the battery when you're not talking.. Neat solution...

One caveat, though.. once the battery is at full charge, you'll need to
either turn off the power supply, or turn something on (a radio, etc) to
provide SOME load to the power supply so the batter doesn't get overcharged.

I run all my HAM base station gear like this...

-SSB



I am still trying to narrow it down. This might be an intermittent problem. I
was talking SSB during the day, and this didn't occur. Could it be an RF
feedback problem? I just installed an 8 foot ground rod, and will run the wire
tonight. Would this dissipate some of the RF?


Vinnie S.


Depends on how (and where) you have it hooked up. NEI, if you remember
that from school...

-SSB



Here is a weird one.

When I went to measure PEP on the meter, my SSB seem to be modulating, almost
like it was holding a carrier. Even if I turn the mic all the way down, and
don't talk, it appears to me measure a full peak my the power meter, and also
the radio meter. What is weirder is it appears to be channels 35 and higher on
SSB. The lower channels seem to be normal on SSB. They show power only when you
are talking.

Vinnie S.

[email protected] name February 6th 05 09:38 PM

Vinnie S. wrote:
I am talking to a local on 38 LSB. I am cutting out after about 2-3
seconds of talking. He says I am fine for about 2-3 seconds, and then
just go dead. Not happening on AM. I switched power mics, with the
same result. Also happend on USB. Then I went and put the radio in
the car, and the problem went away. The local said it's my power
supply not having enough juice. But it's 12 amp constant, 14 amp
surge. It's a PyramidPS-14KX. Again, I am running barefoot with a
HR-2510. Is it the power supply? Should I add more caps for
filtering?

Can anyone help?


Vinnie I hate to say it but you are running a keyclown radio,
and with keyclown radios the previous owners usually go inside
with the golden screwdriver doing "mods" in an attempt to get
more "swing" and more watts, etc. one of the symptoms is
your radio showing SSB output when you're not even talking,
a sure sign of some ignorant tech inside. Get rid of it.


Chris February 7th 05 07:26 AM

I have read elsewhere that Pyramid power supplies are adversely affected by
RF. They don't have filtering to keep RF from following the power wires back
to the regulator. However, I think there may be a problem with the radio.
Has it been used long on this P.S. or is it a new setup? Can you borrow a
different P.S. from a friend to verify the problem?

Chris

"Vinnie S." wrote in message
...
On Sat, 5 Feb 2005 00:32:26 -0600, "Jim" wrote:

You still need a bigger Power supply, The Pyramid brand has a tendency to
advertise more than what they actually put out. I had the same problem.
Invest in a nice 20 Amp Astron, or tripp-lite power supply and that will
take care of things for you. You can always get a good deal on one used if
you look. Qrz.com classifieds, Qth.com classifieds, etc. Good luck!





The HR-2510 has a 7 amp fuse. So if what you are saying is correct, thei
supply
can't pull half of it's rating?

Vinnie S.




Chris February 7th 05 07:31 AM

Inaudible RF feedback through the mic? Bad balanced modulator? I would look
for bad grounds and cold solder joints inside the radio. Just out of
curiosity, does that radio have a mic sensitivity VR on SSB and has it been
turned up?

Chris

"Vinnie S." wrote in message
...
On Sun, 06 Feb 2005 02:27:24 GMT, SideBand wrote:

Vinnie S. wrote:
On Sat, 05 Feb 2005 16:18:45 GMT, SideBand wrote:


Vinnie S. wrote:

I am talking to a local on 38 LSB. I am cutting out after about 2-3
seconds of
talking. He says I am fine for about 2-3 seconds, and then just go
dead. Not
happening on AM. I switched power mics, with the same result. Also
happend on
USB. Then I went and put the radio in the car, and the problem went
away. The
local said it's my power supply not having enough juice. But it's 12
amp
constant, 14 amp surge. It's a PyramidPS-14KX. Again, I am running
barefoot with
a HR-2510. Is it the power supply? Should I add more caps for
filtering?

Can anyone help?

Vinnie S.

Try finding a small (inexpensive) 13.8V Car battery, and hooking it in
parallel (+ to + and - to -) with your power supply.. The battery will
pick up the slack the power supply can't provide, and the supply will
charge the battery when you're not talking.. Neat solution...

One caveat, though.. once the battery is at full charge, you'll need to
either turn off the power supply, or turn something on (a radio, etc) to
provide SOME load to the power supply so the batter doesn't get
overcharged.

I run all my HAM base station gear like this...

-SSB


I am still trying to narrow it down. This might be an intermittent
problem. I
was talking SSB during the day, and this didn't occur. Could it be an RF
feedback problem? I just installed an 8 foot ground rod, and will run
the wire
tonight. Would this dissipate some of the RF?


Vinnie S.


Depends on how (and where) you have it hooked up. NEI, if you remember
that from school...

-SSB



Here is a weird one.

When I went to measure PEP on the meter, my SSB seem to be modulating,
almost
like it was holding a carrier. Even if I turn the mic all the way down,
and
don't talk, it appears to me measure a full peak my the power meter, and
also
the radio meter. What is weirder is it appears to be channels 35 and
higher on
SSB. The lower channels seem to be normal on SSB. They show power only
when you
are talking.

Vinnie S.




Vinnie S. February 7th 05 01:09 PM

On Mon, 07 Feb 2005 07:26:05 GMT, "Chris"
wrote:

I have read elsewhere that Pyramid power supplies are adversely affected by
RF. They don't have filtering to keep RF from following the power wires back
to the regulator. However, I think there may be a problem with the radio.
Has it been used long on this P.S. or is it a new setup? Can you borrow a
different P.S. from a friend to verify the problem?

Chris



I think it's the power supply. Radio works fine in the car.

Vinnie S.

Vinnie S. February 7th 05 01:15 PM

On Mon, 07 Feb 2005 07:31:33 GMT, "Chris"
wrote:

Inaudible RF feedback through the mic? Bad balanced modulator? I would look
for bad grounds and cold solder joints inside the radio. Just out of
curiosity, does that radio have a mic sensitivity VR on SSB and has it been
turned up?



Chris, I just attached a 6 gauge ground wire to a 8 foot ground rod. The
distance is faily short, probably less than 20 feet. Radio seems fine on AM.
Plus a couple of hams on the CB, have said thet I definitely need a power
supply.

Vinnie S.

Dave Hall February 7th 05 04:41 PM

On Fri, 04 Feb 2005 23:49:44 -0500, Vinnie S.
wrote:

I am talking to a local on 38 LSB. I am cutting out after about 2-3 seconds of
talking. He says I am fine for about 2-3 seconds, and then just go dead. Not
happening on AM. I switched power mics, with the same result. Also happend on
USB. Then I went and put the radio in the car, and the problem went away. The
local said it's my power supply not having enough juice. But it's 12 amp
constant, 14 amp surge. It's a PyramidPS-14KX. Again, I am running barefoot with
a HR-2510. Is it the power supply? Should I add more caps for filtering?



I need a little more information. Do the radio lights actually dim
when this happens? I does seem to sound like a power supply issue, but
you should be able to talk farther from the mike (Which allows the
radio to not peak as highly) and if it's a simple supply problem, at
some point the radio will work ok if it isn't putting out full power.

The 2510 should not draw more than about 5 or 6 amps, depending on
whether the radio is totally stock, or whether the ALC has been
cranked open (Which will allow a 45 to 50 watts peak SSB output).

Pyramid supplies are not rated as one of the best (Although I have a
30 amp, and it seems to do alright), but I would think you are well
within the rating of it with your radio.

Dave
"Sandbagger"
http://home.ptd.net/~n3cvj

Vinnie S. February 8th 05 12:06 AM

On Mon, 07 Feb 2005 11:41:12 -0500, Dave Hall wrote:

On Fri, 04 Feb 2005 23:49:44 -0500, Vinnie S.
wrote:

I am talking to a local on 38 LSB. I am cutting out after about 2-3 seconds of
talking. He says I am fine for about 2-3 seconds, and then just go dead. Not
happening on AM. I switched power mics, with the same result. Also happend on
USB. Then I went and put the radio in the car, and the problem went away. The
local said it's my power supply not having enough juice. But it's 12 amp
constant, 14 amp surge. It's a PyramidPS-14KX. Again, I am running barefoot with
a HR-2510. Is it the power supply? Should I add more caps for filtering?



I need a little more information. Do the radio lights actually dim
when this happens?


No.

I does seem to sound like a power supply issue, but
you should be able to talk farther from the mike (Which allows the
radio to not peak as highly) and if it's a simple supply problem, at
some point the radio will work ok if it isn't putting out full power.

The 2510 should not draw more than about 5 or 6 amps, depending on
whether the radio is totally stock, or whether the ALC has been
cranked open (Which will allow a 45 to 50 watts peak SSB output).


I have not modded this radio. I am waiting on a dummy load. I do have a
question. How high can I DK it and how how can I turn up the ALC, without
overdriving the final?



Vinnie S.

Dave Hall February 8th 05 12:13 PM

On Mon, 07 Feb 2005 19:06:53 -0500, Vinnie S.
wrote:

On Mon, 07 Feb 2005 11:41:12 -0500, Dave Hall wrote:

On Fri, 04 Feb 2005 23:49:44 -0500, Vinnie S.
wrote:

I am talking to a local on 38 LSB. I am cutting out after about 2-3 seconds of
talking. He says I am fine for about 2-3 seconds, and then just go dead. Not
happening on AM. I switched power mics, with the same result. Also happend on
USB. Then I went and put the radio in the car, and the problem went away. The
local said it's my power supply not having enough juice. But it's 12 amp
constant, 14 amp surge. It's a PyramidPS-14KX. Again, I am running barefoot with
a HR-2510. Is it the power supply? Should I add more caps for filtering?



I need a little more information. Do the radio lights actually dim
when this happens?


No.


Hmmm.... I suspect that this is not a simple insufficient current
"power supply" issue. The power supply may be related, but there's
something else in the mix that we don't know about yet.


I does seem to sound like a power supply issue, but
you should be able to talk farther from the mike (Which allows the
radio to not peak as highly) and if it's a simple supply problem, at
some point the radio will work ok if it isn't putting out full power.

The 2510 should not draw more than about 5 or 6 amps, depending on
whether the radio is totally stock, or whether the ALC has been
cranked open (Which will allow a 45 to 50 watts peak SSB output).


I have not modded this radio. I am waiting on a dummy load. I do have a
question. How high can I DK it and how how can I turn up the ALC, without
overdriving the final?


Is this the older version of the 2510 with the MRF-477 final in it?

If so, the radio is capable of between 45 and 50 watts of peak SSB
power (with the ALC cranked open). For best power with some protection
from distortion, you can safely run it up to between 35 and 40 watts.
It's also capable of about the same peak power on AM, which means that
you should not set the carrier power above 12 watts, if you want to
maintain enough headroom for 100% modulation.

Be careful though, the MRF 477 transistor is no longer manufactured,
and there is no direct replacement for it. So if you blow it, your
choices become limited. You might be able to locate someone who may
still have old stock of the '477 (at a premium price), or you can
retrofit another device, which can be done, but usually at a loss of
peak power out.

Dave
"Sandbagger"

http://home.ptd.net/~n3cvj

Vinnie S. February 8th 05 01:55 PM

On Tue, 08 Feb 2005 07:13:01 -0500, Dave Hall wrote:


Hmmm.... I suspect that this is not a simple insufficient current
"power supply" issue. The power supply may be related, but there's
something else in the mix that we don't know about yet.


I does seem to sound like a power supply issue, but
you should be able to talk farther from the mike (Which allows the
radio to not peak as highly) and if it's a simple supply problem, at
some point the radio will work ok if it isn't putting out full power.

The 2510 should not draw more than about 5 or 6 amps, depending on
whether the radio is totally stock, or whether the ALC has been
cranked open (Which will allow a 45 to 50 watts peak SSB output).


I have not modded this radio. I am waiting on a dummy load. I do have a
question. How high can I DK it and how how can I turn up the ALC, without
overdriving the final?


Is this the older version of the 2510 with the MRF-477 final in it?


Yes.

If so, the radio is capable of between 45 and 50 watts of peak SSB
power (with the ALC cranked open). For best power with some protection
from distortion, you can safely run it up to between 35 and 40 watts.
It's also capable of about the same peak power on AM, which means that
you should not set the carrier power above 12 watts, if you want to
maintain enough headroom for 100% modulation.




Be careful though, the MRF 477 transistor is no longer manufactured,
and there is no direct replacement for it. So if you blow it, your
choices become limited. You might be able to locate someone who may
still have old stock of the '477 (at a premium price), or you can
retrofit another device, which can be done, but usually at a loss of
peak power out.

Dave
"Sandbagger"

http://home.ptd.net/~n3cvj



Vinnie S.

[email protected] name February 8th 05 10:50 PM

On Mon, 07 Feb 2005 19:06:53 -0500, Vinnie S.
wrote:

On Mon, 07 Feb 2005 11:41:12 -0500, Dave Hall wrote:

On Fri, 04 Feb 2005 23:49:44 -0500, Vinnie S.
wrote:

I am talking to a local on 38 LSB. I am cutting out after about 2-3 seconds of
talking. He says I am fine for about 2-3 seconds, and then just go dead. Not
happening on AM. I switched power mics, with the same result. Also happend on
USB. Then I went and put the radio in the car, and the problem went away. The
local said it's my power supply not having enough juice. But it's 12 amp
constant, 14 amp surge. It's a PyramidPS-14KX. Again, I am running barefoot with
a HR-2510. Is it the power supply? Should I add more caps for filtering?


I need a little more information. Do the radio lights actually dim
when this happens?


No.


Hmmm.... I suspect that this is not a simple insufficient current
"power supply" issue. The power supply may be related, but there's
something else in the mix that we don't know about yet.


I does seem to sound like a power supply issue, but
you should be able to talk farther from the mike (Which allows the
radio to not peak as highly) and if it's a simple supply problem, at
some point the radio will work ok if it isn't putting out full power.

The 2510 should not draw more than about 5 or 6 amps, depending on
whether the radio is totally stock, or whether the ALC has been
cranked open (Which will allow a 45 to 50 watts peak SSB output).


I have not modded this radio. I am waiting on a dummy load. I do have a
question. How high can I DK it and how how can I turn up the ALC, without
overdriving the final?


Is this the older version of the 2510 with the MRF-477 final in it?

If so, the radio is capable of between 45 and 50 watts of peak SSB
power (with the ALC cranked open). For best power with some protection
from distortion, you can safely run it up to between 35 and 40 watts.
It's also capable of about the same peak power on AM, which means that
you should not set the carrier power above 12 watts, if you want to
maintain enough headroom for 100% modulation.

Be careful though, the MRF 477 transistor is no longer manufactured,
and there is no direct replacement for it. So if you blow it, your
choices become limited. You might be able to locate someone who may
still have old stock of the '477 (at a premium price), or you can
retrofit another device, which can be done, but usually at a loss of
peak power out.

Dave
"Sandbagger"

http://home.ptd.net/~n3cvj


Dave I am hearing CBers on AM in the 10 meter cw band right now.
Thanks for helping another unlicensed outlaw get his peaked up tweaked up
illegal rig on the air to join them. Putz.



Dave Hall February 10th 05 08:16 PM

On Tue, 08 Feb 2005 22:50:56 GMT, wrote:

On Mon, 07 Feb 2005 19:06:53 -0500, Vinnie S.
wrote:

On Mon, 07 Feb 2005 11:41:12 -0500, Dave Hall wrote:

On Fri, 04 Feb 2005 23:49:44 -0500, Vinnie S.
wrote:

I am talking to a local on 38 LSB. I am cutting out after about 2-3 seconds of
talking. He says I am fine for about 2-3 seconds, and then just go dead. Not
happening on AM. I switched power mics, with the same result. Also happend on
USB. Then I went and put the radio in the car, and the problem went away. The
local said it's my power supply not having enough juice. But it's 12 amp
constant, 14 amp surge. It's a PyramidPS-14KX. Again, I am running barefoot with
a HR-2510. Is it the power supply? Should I add more caps for filtering?


I need a little more information. Do the radio lights actually dim
when this happens?

No.


Hmmm.... I suspect that this is not a simple insufficient current
"power supply" issue. The power supply may be related, but there's
something else in the mix that we don't know about yet.


I does seem to sound like a power supply issue, but
you should be able to talk farther from the mike (Which allows the
radio to not peak as highly) and if it's a simple supply problem, at
some point the radio will work ok if it isn't putting out full power.

The 2510 should not draw more than about 5 or 6 amps, depending on
whether the radio is totally stock, or whether the ALC has been
cranked open (Which will allow a 45 to 50 watts peak SSB output).

I have not modded this radio. I am waiting on a dummy load. I do have a
question. How high can I DK it and how how can I turn up the ALC, without
overdriving the final?


Is this the older version of the 2510 with the MRF-477 final in it?

If so, the radio is capable of between 45 and 50 watts of peak SSB
power (with the ALC cranked open). For best power with some protection
from distortion, you can safely run it up to between 35 and 40 watts.
It's also capable of about the same peak power on AM, which means that
you should not set the carrier power above 12 watts, if you want to
maintain enough headroom for 100% modulation.

Be careful though, the MRF 477 transistor is no longer manufactured,
and there is no direct replacement for it. So if you blow it, your
choices become limited. You might be able to locate someone who may
still have old stock of the '477 (at a premium price), or you can
retrofit another device, which can be done, but usually at a loss of
peak power out.

Dave
"Sandbagger"

http://home.ptd.net/~n3cvj

Dave I am hearing CBers on AM in the 10 meter cw band right now.
Thanks for helping another unlicensed outlaw get his peaked up tweaked up
illegal rig on the air to join them. Putz.


You're welcome.

Dave
"Sandbagger"

Vinnie S. February 10th 05 11:03 PM

On Thu, 10 Feb 2005 15:16:09 -0500, Dave Hall wrote:


Be careful though, the MRF 477 transistor is no longer manufactured,
and there is no direct replacement for it. So if you blow it, your
choices become limited. You might be able to locate someone who may
still have old stock of the '477 (at a premium price), or you can
retrofit another device, which can be done, but usually at a loss of
peak power out.

Dave
"Sandbagger"

http://home.ptd.net/~n3cvj


Dave I am hearing CBers on AM in the 10 meter cw band right now.
Thanks for helping another unlicensed outlaw get his peaked up tweaked up
illegal rig on the air to join them. Putz.


You're welcome.



Dave,

Tell the moron I am not on 10 meters. I don't stoop to his level.

Vinnie S.

Vinnie S. February 11th 05 02:49 AM

On Fri, 11 Feb 2005 01:46:42 GMT, Lancer wrote:

http://home.ptd.net/~n3cvj

Dave I am hearing CBers on AM in the 10 meter cw band right now.
Thanks for helping another unlicensed outlaw get his peaked up tweaked up
illegal rig on the air to join them. Putz.


You're welcome.



Dave,

Tell the moron I am not on 10 meters. I don't stoop to his level.

Vinnie S.


And by that you mean you are just an illegal outlaw on the 11 meter
band? Illegal is illegal isn't it?



So is driving 56 mph in a 55. But I am sure you have never done that. Hypocracy
at it's finest.

Vinnie S.

[email protected] name February 11th 05 04:50 AM

On Fri, 11 Feb 2005 01:46:42 GMT, Lancer wrote:

http://home.ptd.net/~n3cvj

Dave I am hearing CBers on AM in the 10 meter cw band right now.
Thanks for helping another unlicensed outlaw get his peaked up tweaked up
illegal rig on the air to join them. Putz.


You're welcome.


Dave,

Tell the moron I am not on 10 meters. I don't stoop to his level.

Vinnie S.


And by that you mean you are just an illegal outlaw on the 11 meter
band? Illegal is illegal isn't it?



So is driving 56 mph in a 55. But I am sure you have never done that. Hypocracy
at it's finest.

Vinnie S.


There you go Dave, you have "enabled" an outlaw Cber
and he even used the 56 in a 55 mph zone excuse. Proud?

[PLONK!]


Paul Johnson February 11th 05 05:25 AM

Vinnie S. wrote:

So is driving 56 mph in a 55. But I am sure you have never done that.
Hypocracy at it's finest.


Depends on the state. Most states give you 10% leeway for differences in
speedometer calibration. Oregon doesn't have speed limits in most places,
opting for a less strictly enforced posted speed (difference is the posted
speed signs say SPEED, whereas hard limits say SPEED LIMIT). In either
case, if conditions are bad, you can get a speeding ticket for going slower
than the posted speed (ie, doing 50 in a 60 zone on ice).

--
Paul Johnson

http://ursine.ca/~baloo/

Vinnie S. February 11th 05 10:49 AM

On Thu, 10 Feb 2005 21:25:37 -0800, Paul Johnson wrote:

Vinnie S. wrote:

So is driving 56 mph in a 55. But I am sure you have never done that.
Hypocracy at it's finest.


Depends on the state. Most states give you 10% leeway for differences in
speedometer calibration.


No they don't. The speed limits signs or laws do not say 55 or 65, +/- 10%.

That is nothing more than the descretion of the cop that tickets you.

Vinnie S.

Dave Hall February 11th 05 12:52 PM

On Fri, 11 Feb 2005 04:50:07 GMT, wrote:

On Fri, 11 Feb 2005 01:46:42 GMT, Lancer wrote:

http://home.ptd.net/~n3cvj

Dave I am hearing CBers on AM in the 10 meter cw band right now.
Thanks for helping another unlicensed outlaw get his peaked up tweaked up
illegal rig on the air to join them. Putz.


You're welcome.


Dave,

Tell the moron I am not on 10 meters. I don't stoop to his level.

Vinnie S.

And by that you mean you are just an illegal outlaw on the 11 meter
band? Illegal is illegal isn't it?



So is driving 56 mph in a 55. But I am sure you have never done that. Hypocracy
at it's finest.

Vinnie S.


There you go Dave, you have "enabled" an outlaw Cber
and he even used the 56 in a 55 mph zone excuse. Proud?



Extremely.

Dave
"Sandbagger"
http://home.ptd.net/~n3cvj


Dave Hall February 11th 05 12:56 PM

On Thu, 10 Feb 2005 21:25:37 -0800, Paul Johnson
wrote:

Vinnie S. wrote:

So is driving 56 mph in a 55. But I am sure you have never done that.
Hypocracy at it's finest.


Depends on the state. Most states give you 10% leeway for differences in
speedometer calibration. Oregon doesn't have speed limits in most places,
opting for a less strictly enforced posted speed (difference is the posted
speed signs say SPEED, whereas hard limits say SPEED LIMIT). In either
case, if conditions are bad, you can get a speeding ticket for going slower
than the posted speed (ie, doing 50 in a 60 zone on ice).


In Pa. they are required to give 5 MPH to take care of "Speedometer"
and speed measuring inaccuracies. In addition, just to avoid court
challenges to the precise accuracy of the speed measuring equipment
(Usually VASCAR on non-state patrolled roads, and RADAR on state
police patrolled roads), most of the cops I know tell me that they
unofficially give people 9 MPH over the posted limit before they start
pulling people over. Of course there might be a new hard-assed rookie
who might not be so "kind".......

Dave
"Sandbagger"


Dave Hall February 11th 05 01:02 PM

On Fri, 11 Feb 2005 05:49:49 -0500, Vinnie S.
wrote:

On Thu, 10 Feb 2005 21:25:37 -0800, Paul Johnson wrote:

Vinnie S. wrote:

So is driving 56 mph in a 55. But I am sure you have never done that.
Hypocracy at it's finest.


Depends on the state. Most states give you 10% leeway for differences in
speedometer calibration.


No they don't. The speed limits signs or laws do not say 55 or 65, +/- 10%.

That is nothing more than the descretion of the cop that tickets you.


That depends on the state. Some states (I believe Maryland is one)
have what they refer to as "Zero tolerance" 65 MPH. They can bust you
for 66, or so I've been told. I don't know how many cases have been
fought over speedometer or other potential speed inaccuracies and how
well the "zero tolerance" aspect has held up.

Most car speedometers are not so accurate that a 1 MPH difference is
all that hard to believe. Just putting one size larger tires on your
car can make that difference.

People have fought a speeding ticket on this basis and have won.
That's part of the reason why Pa. gives some leeway. Most cops don't
want to have to appear in traffic court when the chances are good the
case could get thrown out. However, it's a lot harder to make a case
for speedometer inaccuracies when you're 10 MPH or more over.

Dave



Lancer February 11th 05 01:05 PM

On Thu, 10 Feb 2005 21:49:12 -0500, Vinnie S.
wrote:

On Fri, 11 Feb 2005 01:46:42 GMT, Lancer wrote:

http://home.ptd.net/~n3cvj

Dave I am hearing CBers on AM in the 10 meter cw band right now.
Thanks for helping another unlicensed outlaw get his peaked up tweaked up
illegal rig on the air to join them. Putz.


You're welcome.


Dave,

Tell the moron I am not on 10 meters. I don't stoop to his level.

Vinnie S.


And by that you mean you are just an illegal outlaw on the 11 meter
band? Illegal is illegal isn't it?



So is driving 56 mph in a 55. But I am sure you have never done that. Hypocracy
at it's finest.

Vinnie S.


Oh, because someone else breaks a "law" you are entiltled to break any
"Law" you see fit. Grow up Vinnie, quit trying to rationalize your
behavior.

No I Am Not Him February 11th 05 06:19 PM

Lancer wrote:
On Thu, 10 Feb 2005 21:49:12 -0500, Vinnie S.
wrote:

On Fri, 11 Feb 2005 01:46:42 GMT, Lancer wrote:

http://home.ptd.net/~n3cvj

Dave I am hearing CBers on AM in the 10 meter cw band right now.


Thanks for helping another unlicensed outlaw get his peaked up

tweaked up
illegal rig on the air to join them. Putz.


You're welcome.


Dave,

Tell the moron I am not on 10 meters. I don't stoop to his level.

Vinnie S.

And by that you mean you are just an illegal outlaw on the 11 meter
band? Illegal is illegal isn't it?



So is driving 56 mph in a 55. But I am sure you have never done

that. Hypocracy
at it's finest.

Vinnie S.


Oh, because someone else breaks a "law" you are entiltled to break

any
"Law" you see fit. Grow up Vinnie, quit trying to rationalize your
behavior.


He's being supported in his rationalization by Dave "the outlaw elmer"
Hall.


Vinnie S. February 11th 05 09:15 PM

On Fri, 11 Feb 2005 13:05:12 GMT, Lancer wrote:



And by that you mean you are just an illegal outlaw on the 11 meter
band? Illegal is illegal isn't it?



So is driving 56 mph in a 55. But I am sure you have never done that. Hypocracy
at it's finest.

Vinnie S.


Oh, because someone else breaks a "law" you are entiltled to break any
"Law" you see fit. Grow up Vinnie, quit trying to rationalize your
behavior.



Oh, you you admit breaking the law? I knew you were a hypocrite. Looks like you
are the one that needs to rationalize.

Vinnie S.

Johnny Cash February 11th 05 09:24 PM

On Fri, 11 Feb 2005 16:15:01 -0500, Vinnie S.
wrote:

On Fri, 11 Feb 2005 13:05:12 GMT, Lancer wrote:



And by that you mean you are just an illegal outlaw on the 11 meter
band? Illegal is illegal isn't it?


So is driving 56 mph in a 55. But I am sure you have never done that. Hypocracy
at it's finest.

Vinnie S.


Oh, because someone else breaks a "law" you are entiltled to break any
"Law" you see fit. Grow up Vinnie, quit trying to rationalize your
behavior.



Oh, you you admit breaking the law? I knew you were a hypocrite. Looks like you
are the one that needs to rationalize.

Vinnie S.


where did he admit he broke the law?

Vinnie S. February 11th 05 09:29 PM

On Fri, 11 Feb 2005 15:24:31 -0600, Johnny Cash wrote:

On Fri, 11 Feb 2005 16:15:01 -0500, Vinnie S.
wrote:

On Fri, 11 Feb 2005 13:05:12 GMT, Lancer wrote:



And by that you mean you are just an illegal outlaw on the 11 meter
band? Illegal is illegal isn't it?


So is driving 56 mph in a 55. But I am sure you have never done that. Hypocracy
at it's finest.

Vinnie S.

Oh, because someone else breaks a "law" you are entiltled to break any
"Law" you see fit. Grow up Vinnie, quit trying to rationalize your
behavior.



Oh, you you admit breaking the law? I knew you were a hypocrite. Looks like you
are the one that needs to rationalize.

Vinnie S.


where did he admit he broke the law?


When he said, "Oh, because someone else breaks a "law" you are entiltled to
break any "Law" you see fit. Sounds pretty much like he has broken it to me. And
I would pretty much bet that he has sped at least once in his life, and gone
over the limit. That pretty much makes him an "outlaw".

Vinnie S.

Vinnie S. February 11th 05 09:39 PM

On Fri, 11 Feb 2005 07:56:05 -0500, Dave Hall wrote:

On Thu, 10 Feb 2005 21:25:37 -0800, Paul Johnson
wrote:

Vinnie S. wrote:

So is driving 56 mph in a 55. But I am sure you have never done that.
Hypocracy at it's finest.


Depends on the state. Most states give you 10% leeway for differences in
speedometer calibration. Oregon doesn't have speed limits in most places,
opting for a less strictly enforced posted speed (difference is the posted
speed signs say SPEED, whereas hard limits say SPEED LIMIT). In either
case, if conditions are bad, you can get a speeding ticket for going slower
than the posted speed (ie, doing 50 in a 60 zone on ice).


In Pa. they are required to give 5 MPH to take care of "Speedometer"
and speed measuring inaccuracies. In addition, just to avoid court
challenges to the precise accuracy of the speed measuring equipment
(Usually VASCAR on non-state patrolled roads, and RADAR on state
police patrolled roads), most of the cops I know tell me that they
unofficially give people 9 MPH over the posted limit before they start
pulling people over. Of course there might be a new hard-assed rookie
who might not be so "kind".......



My brother in law is a cop. It's at the descretion of the cop. Since most often
this is a revenue generating system. The judge and cop are on the same municipal
team. If they want to beat you at 1 mph, they will. The reason they give 10mph
extra, is because everyone goes over the speed limit. They would be up to their
ears in court. So they take the abusers. But I highly doubt it's the
inaccuracies of the equipment or speedometers, because like you said, some
states have zero tolerance. So don't think you can claim the equipment is
inaccurate in one state, and perfect in another. I really think it's just the
descretion of the cop.

Vinnie S.

Paul Johnson February 11th 05 10:29 PM

Vinnie S. wrote:

No they don't. The speed limits signs or laws do not say 55 or 65, +/-
10%.

That is nothing more than the descretion of the cop that tickets you.


Go read ORS chapter 810 sometime. It's up on leg.state.or.us. It does work
that way in Oregon. And as said before, save for a few miles of interstate
or a few well-travelled blocks of narrow secondary streets, Oregon has
never had speed limits. Posted speeds, yes, in which you're allowed to
drive faster if conditions warrant (on a clear, sunny day with dry pavement
and light traffic with a posted speed of 70, a cop pulling you over for
doing 85 will have a hard time getting a conviction in court unless it was
a LIMIT 70 and not a SPEED 70 sign and the cops know this).

Oregon and Washington both give 10% margins for differences in speedometer
calibration because very rarely are speedometers spot on. You could easily
be doing 59 with your speedometer reading 55. The speedometer in my 1995.5
Kia Sportage reads 62 when it's doing 60, my roommate's 2000 Ford Ranger
reads 57 at 60 MPH. If you got a ticket for doing 1 MPH over the speed
limit, and you didn't fight it in court, you're a moron, here's your sign.

--
Paul Johnson

http://ursine.ca/~baloo/

Paul Johnson February 11th 05 10:45 PM

Dave Hall wrote:

Most car speedometers are not so accurate that a 1 MPH difference is
all that hard to believe. Just putting one size larger tires on your
car can make that difference.


Well, you're supposed to get your instruments recalibrated after changing
tire size. But differences as much as 5 MPH can happen depending on tire
pressure and road conditions...I've yet to see a speedometer read the right
speed driving on Oregon's notoriously rutted freeways in the rain (probably
because you're forced to hydroplane along the lane, which is why the locals
*will* get aggressive towards tailgaters, though the Californians usually
don't get it until they slam into a wall or the car ahead of them
approaching slower traffic hiding in the road spray of the vehicle ahead
because they're following too close).

People have fought a speeding ticket on this basis and have won.
That's part of the reason why Pa. gives some leeway. Most cops don't
want to have to appear in traffic court when the chances are good the
case could get thrown out. However, it's a lot harder to make a case
for speedometer inaccuracies when you're 10 MPH or more over.


I used to have to deal with police a lot when I was a security officer, and
at one site, the worksite's driveway was a common spot for police to set up
speed traps. The cops don't even bother radar cars until they see someone
moving considerably faster than surrounding traffic, radar the overspeed
vehicle for evidence, and just use the posted speed as something to
estimate a fine from.

They seem to radar everyone in areas where there are actual speed limits
when I see a speed trap in a limit zone. Though I never see anybody pulled
over, everybody just slows down for the speed limit and then drops the
hammer down when it goes back to a posted speed a few miles down the road.

I drive 100 km/h on the freeway even if the posted speed is considerably
lower if the conditions allow, and the cops working the speed trips don't
even look twice and keep looking for someone *really* speeding. Only time
I drive slower than 100 km/h on the freeway is in Salem where there *is* a
speed limit of 60 MPH (about 90 or so km/h), and on I-5, I-405 and US-30 in
downtown Portland, which has a posted speed of 50 but is usually insane to
try for more than 40, and the worst traffic accident in Oregon history was
caused by some ****head Californian who drove his bigrig at 60 MPH into 14
cars stopped in a traffic jam on I-405 while talking on a cellphone and
trying to pick up a CD off the floorpan. That Californian won't be going
back to California anytime soon, he's a prisoner in Salem now for his
criminally stupid behavior.

--
Paul Johnson

http://ursine.ca/~baloo/

Vinnie S. February 12th 05 03:37 AM

On Fri, 11 Feb 2005 14:29:17 -0800, Paul Johnson wrote:

Vinnie S. wrote:

No they don't. The speed limits signs or laws do not say 55 or 65, +/-
10%.

That is nothing more than the descretion of the cop that tickets you.


Go read ORS chapter 810 sometime. It's up on leg.state.or.us. It does work
that way in Oregon. And as said before, save for a few miles of interstate
or a few well-travelled blocks of narrow secondary streets, Oregon has
never had speed limits. Posted speeds, yes, in which you're allowed to
drive faster if conditions warrant (on a clear, sunny day with dry pavement
and light traffic with a posted speed of 70, a cop pulling you over for
doing 85 will have a hard time getting a conviction in court unless it was
a LIMIT 70 and not a SPEED 70 sign and the cops know this).

Oregon and Washington both give 10% margins for differences in speedometer
calibration because very rarely are speedometers spot on. You could easily
be doing 59 with your speedometer reading 55. The speedometer in my 1995.5
Kia Sportage reads 62 when it's doing 60, my roommate's 2000 Ford Ranger
reads 57 at 60 MPH. If you got a ticket for doing 1 MPH over the speed
limit, and you didn't fight it in court, you're a moron, here's your sign.



Paul,

I don't know about Oregon, but I know NJ. I have never heard of such a thing.
And I have been to traffic court on at least 3 occasions. On one occasion, some
motorist used the calibration defense. They about laughed him out of the court,
and said they would bring in the cop with the certs. He ended up pleaing to a
lower moving violation qwith no points. Believe it or not, they actually plea
bargain here for traffic court. They want the dollar amount fine, and ill lower
the violation so it doesn't kill you for insurance.

As far as my personal experience, I was given a ticket around 1991 for 59 in a
55. I pleaded guilty to a reduce "driving too slow", which carried the same
fine, but no points. The other carried 2 points. So you manual is of no use to
me or motorists in NJ.

And the only reason I fought 3 tickets, was because I was told you can get the
points knocked down in court. The officers will actually tell you that. But if
you just pay it, you get the points.

I did go to trial one of those 3 times (bargained the other 2), and beat a
ticket for rolling stop. A cop was at a stop trap where many motorists were
rolling thru it. He gave about 150 tickets over a course of a weekend. I fought
mine, because he missed my stop. He had 2 motorists pulled over and was on foot
getting their documents, and he looked at the corner, I had already stopped and
was moving, and he waved me over. I was nonetheless not cooperative. The DA
wanted to bargain that too, but the fine was like $180. I said i was going to
fight it, and he basically laughed. He said it was a sure fire loss. At the
trial, which was about 20 minutes long, the officer needed to look at the ticket
to read what car I was driving. And he said he pulled me over with his car after
rolling thru a stop. I got him on him not remembering my carwithout reading the
ticket, and that he was on foot with 2 other vehicles, and did not pull me over
with his car. The judge ruled in my favor, but he didn't rule on it that night,
to give me the satifaction in court. Instead, he sent his not guilty decision by
mail, 2 days later. I never did go back to the prosecutor and show him the
letter.

So like I said, It's mostly at the descretion of the cop. And FYI, you can be
going 56 in a 55, and if he wants to stop you and say you were doing 75 in a 55,
even though you did 56, there isn't a damn thing you can do about it.

Vinnie S.

Paul Johnson February 12th 05 04:37 AM

Vinnie S. wrote:

So like I said, It's mostly at the descretion of the cop. And FYI, you can
be going 56 in a 55, and if he wants to stop you and say you were doing 75
in a 55, even though you did 56, there isn't a damn thing you can do about
it.


Sure there is. Challenge him in court using his radar gun as evidence
against him. If it recorded 56 and he's claiming 75, any of the following
could happen in Oregon: Charges dismissed on the 10% rule, charges
dismissed because the speed was reasonable for the conditions and the speed
was simply a posted advised speed and not a limit (universal speed rule),
or charges dismissed on the grounds of false testimony on the part of the
police officer (pretty much gauranteed to end his law enforcement career,
he'd have a *damn* hard time getting a job even as a rent-a-cop with that
on his record).

Your best defense is to learn the local law and obey it. Oregon tends to be
pretty lax because 1) you can go hundreds of miles without encountering
anything to hit, and 2) almost all traffic tickets handed out are to
Californians, who don't have to pass a test to get a license[1].

[1] If you don't know the answer on the test, you can ask the clerk and get
as many right answers as you need just for the asking, and I can't recall
ever seeing anybody taking a driving test at the CA DMVs. I never bothered
driving in California when I got stuck moving down there for a few years,
it's not hard to get a ride down there if you can get the nerve up with
riding with an essentially unlicensed driver.

--
Paul Johnson

http://ursine.ca/~baloo/

Vinnie S. February 12th 05 01:02 PM

On Fri, 11 Feb 2005 20:37:48 -0800, Paul Johnson wrote:

Vinnie S. wrote:

So like I said, It's mostly at the descretion of the cop. And FYI, you can
be going 56 in a 55, and if he wants to stop you and say you were doing 75
in a 55, even though you did 56, there isn't a damn thing you can do about
it.


Sure there is. Challenge him in court using his radar gun as evidence
against him. If it recorded 56 and he's claiming 75, any of the following
could happen in Oregon:



As far as I know, there is no printed history of a radar reading. Granted 99.9%
of the time, they will write yoy up for what you sped at. But I don't think
there is a shred of evidence you can use. Not even eyewitnesses.

Charges dismissed on the 10% rule, charges
dismissed because the speed was reasonable for the conditions and the speed
was simply a posted advised speed and not a limit (universal speed rule),
or charges dismissed on the grounds of false testimony on the part of the
police officer (pretty much gauranteed to end his law enforcement career,
he'd have a *damn* hard time getting a job even as a rent-a-cop with that
on his record).

Your best defense is to learn the local law and obey it. Oregon tends to be
pretty lax because 1) you can go hundreds of miles without encountering
anything to hit, and 2) almost all traffic tickets handed out are to
Californians, who don't have to pass a test to get a license[1].


Again, here in NJ, it is a revenue generating system. Like I said, they just
want their fined, and not put you in your insurance poor house. The officers
have told me to challenge, because they reduce it to no points.


[1] If you don't know the answer on the test, you can ask the clerk and get
as many right answers as you need just for the asking, and I can't recall
ever seeing anybody taking a driving test at the CA DMVs. I never bothered
driving in California when I got stuck moving down there for a few years,
it's not hard to get a ride down there if you can get the nerve up with
riding with an essentially unlicensed driver.



I can tell you this. Aside from full serve gas, NJ and Oregon are worlds apart.

Vinnie S.


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