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Old November 18th 04, 06:31 AM
Brent
 
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Default Antenna

Does any one make a passive end feed antenna for shortwave?


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Old November 18th 04, 07:04 AM
Jack Painter
 
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"Brent" wrote

Does any one make a passive end feed antenna for shortwave?


Yes Brent, thousands of us make them! At 14 cents a foot, you can string up
as much copper antenna wire as your heart's content, attach a $30 Balun
transformer to the base, ground one side, and feed it with as much thin
RG-58X coax as you need to reach your receiver(s).

Don't be fooled into thinking you have to buy some commercial antenna to
listen to SW, whether it be for program broadcast, military/utility or
marine. You can do it yourself for very little money, and it will receive as
well as anything sold on the market.

Jack Painter
Virginia Beach VA


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Old November 18th 04, 08:54 AM
Kachina 78
 
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Brent, Jacks right, a balun and a run of antenna wire, will get you some good
results. You could also try Par Electronics EF-SWL, which costs just a bit more
than a good balun. It's set up, with insulators, ready to go right out of the
box. You can even configure the transformers ground, at the feed point, which
is equipped with two grounding terminals, and a shorting connection. All you
need to do is try each of the grounding options, and see which one works best
for reducing noise. I've got one up on the roof, and it works very well...nice
and quiet. Good DXing to you, Gary
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Old November 18th 04, 08:16 PM
RHF
 
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= = = "Brent" wrote in message
= = = ...

Does any one make a passive end feed antenna for shortwave?



BRENT,

You may wish to take a look at the 'Longwire' Shortwave Antenna
and Baluns that are offered by the Seller "RF Junkie" on eBay.
RF-JUNKIE {Erickson-Engerring} = http://tinyurl.com/4cz7t

* * High-Z Shortwave Longwire Antenna - LWF-10
http://cgi.ebay.com/ws/eBayISAPI.dll...tem=5731765217

* * 10:1 Shortwave Longwire Antenna Feeder #SWL-1
http://cgi.ebay.com/ws/eBayISAPI.dll...tem=5732226848

Also RF JUNKIE offers these other Matching Transformers:

* 10:1 Longwire Shortwave Antenna Feeder - SWL-1G
http://cgi.ebay.com/ws/eBayISAPI.dll...tem=5732624830

* QRP 9:1 Center Voltage Balun - HF - 450 ohm to 50 ohm
http://cgi.ebay.com/ws/eBayISAPI.dll...tem=5732954312

* QRP 4:1 Current Balun - HF - 200 ohms to 50 ohm coax
http://cgi.ebay.com/ws/eBayISAPI.dll...tem=5732179229

* QRP 12:1 Balun Transformer / HF / Longwire / Shortwave
http://cgi.ebay.com/ws/eBayISAPI.dll...tem=5732954556

* QRP 9:1 Voltage Balun - End Fed for Beverage Antenna
http://cgi.ebay.com/ws/eBayISAPI.dll...tem=5733034677


PLEASE NOTE: That I am NOT RF JUNKIE.
- NOR am I offering these 'items' For Sale.
- However, I can say: I am a 'satisfied customer'.
This Reply was 'Posted' for "Informational Purposes Only".


iane ~ RHF
..
..
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Old November 19th 04, 12:36 AM
Yodar
 
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RHF wrote:
= = = "Brent" wrote in message
= = = ...

Does any one make a passive end feed antenna for shortwave?




BRENT,

You may wish to take a look at the 'Longwire' Shortwave Antenna
and Baluns that are offered by the Seller "RF Junkie" on eBay.
RF-JUNKIE {Erickson-Engerring} = http://tinyurl.com/4cz7t


iane ~ RHF
.
.

I cant buy anything from e-bay, but am attracted to his products

I wish he had a website

yodar


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Old November 19th 04, 08:06 AM
RHF
 
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BRENT,

KACHINA78 has given you som good advise.

Yes you should consider the Par EF-SWL Antenna - Read:
"PAR Electronics EF-SWL Antenna - Setting-Up the Ground Connection"
http://groups.yahoo.com/group/Shortw...a/message/1666

Also, here are two more Messages to ReAD:

* Par Electronics EF-SWL" End-Fed Shortwave Antenna
http://groups.yahoo.com/group/Shortw...na/message/277

* Setting-Up a Par EF-SWL Antenna with a 'portable' Shortwave
Radio using an External Antenna 1/8" Mono-Jack Input.
http://groups.yahoo.com/group/Shortw...a/message/1649
..
..
iane ~ RHF
..
Some Say: On A Clear Day You Can See Forever.
http://groups.yahoo.com/group/Shortw...na/message/502
I BELIEVE: On A Clear Night . . .
You Can Hear Forever and Beyond - The Beyond !
..
..
= = = (Kachina 78) wrote in message
= = = ...
Brent, Jacks right, a balun and a run of antenna wire, will get you some good
results. You could also try Par Electronics EF-SWL, which costs just a bit more
than a good balun. It's set up, with insulators, ready to go right out of the
box. You can even configure the transformers ground, at the feed point, which
is equipped with two grounding terminals, and a shorting connection. All you
need to do is try each of the grounding options, and see which one works best
for reducing noise. I've got one up on the roof, and it works very well...nice
and quiet. Good DXing to you, Gary

..
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Old November 19th 04, 08:49 AM
H Davis
 
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Kachina:

Bear in mind that I'm new to this SWL thing, so my questions can seem
relatively naive.

It appears that the EF-SWL is a long wire antenna. I think I read that it
was about 45 feet long. You indicated that you have one on the roof. Can you
describe how you have it set up? I have about a 35 foot wire in my attic
with a cable downlead to my Satellit 800, and its kind of noisy. I would
like to put one outside on the roof, but I would like to get some ideas on
how to rig it up.

Harlan




"Kachina 78" wrote in message
...
Brent, Jacks right, a balun and a run of antenna wire, will get you some
good
results. You could also try Par Electronics EF-SWL, which costs just a bit
more
than a good balun. It's set up, with insulators, ready to go right out of
the
box. You can even configure the transformers ground, at the feed point,
which
is equipped with two grounding terminals, and a shorting connection. All
you
need to do is try each of the grounding options, and see which one works
best
for reducing noise. I've got one up on the roof, and it works very
well...nice
and quiet. Good DXing to you, Gary



  #8   Report Post  
Old November 19th 04, 04:08 PM
RHF
 
Posts: n/a
Default

= = = Yodar wrote in message
= = = m...
RHF wrote:
= = = "Brent" wrote in message
= = = ...

Does any one make a passive end feed antenna for shortwave?




BRENT,

You may wish to take a look at the 'Longwire' Shortwave Antenna
and Baluns that are offered by the Seller "RF Junkie" on eBay.
RF-JUNKIE {Erickson-Engerring} = http://tinyurl.com/4cz7t


iane ~ RHF
.
.

I cant buy anything from e-bay, but am attracted to his products

I wish he had a website

yodar


YODAR,

RF Junkie's CONTACT INFO for Baluns and Shortwave Listeners Antenna
http://groups.yahoo.com/group/Shortw...a/message/1713

hth ~ RHF
..
..
  #9   Report Post  
Old December 13th 04, 04:39 PM
RHF
 
Posts: n/a
Default

FO&A "Up-Date"

RF Junkie's CONTACT INFO for Baluns and Shortwave Listeners Antenna
http://groups.yahoo.com/group/Shortw...a/message/1788
..
RF Junkie now has a WebSite for those who do not like eBAY.
..
RF-JUNKIE= http:www.geocities.com/qrphf
..
PRODUCTS= http://www.geocities.com/qrphf/product
..
PROTO-TYPES= http://www.geocities.com/qrphf/prototype

Jason Erickson [ KG7RO ]
RF Design Engineer
Erickson Engineering
WebPage= http:www.geocities.com/qrphf
eMail=
..
..
iane ~ RHF
..
..

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