I live in a antenna restricted community!

I have put up a somewhat stealth antenna.
It is a 540 ft loop = 180 ft virtually lays on the roof and the remainder
360 ft is in my attic.
I feed this with 50 ft of RG58u at the center point (6 turns of the
feedline - approx 8" dia is used as a RF choke) running down to a manual
tuner.
The antenna in this configuration is about 1.5:1 across all the bands from
75m to 6m. I would like to operate on 160m, but the tuner doesn't cover
that band, and when I try to go directly the SWR is extreme and we don't use
it!
My questions a
1] should I leave the antenna system alone as is? It works - but as a
wire system has its limitations due to the clearance off the roof?
or
2] should I purchase another antenna tuner that covers 160m - 6m. and
open the LQQP and make the antenna a single 540 ft piece of wire and ground
the other side?

73's

John Doe wrote:
I live in a antenna restricted community!

I have put up a somewhat stealth antenna.
It is a 540 ft loop = 180 ft virtually lays on the roof and the remainder
360 ft is in my attic.
I feed this with 50 ft of RG58u at the center point (6 turns of the
feedline - approx 8" dia is used as a RF choke) running down to a manual
tuner.
The antenna in this configuration is about 1.5:1 across all the bands from
75m to 6m. I would like to operate on 160m, but the tuner doesn't cover
that band, and when I try to go directly the SWR is extreme and we don't use
it!
My questions a
1] should I leave the antenna system alone as is? It works - but as a
wire system has its limitations due to the clearance off the roof?
or
2] should I purchase another antenna tuner that covers 160m - 6m. and
open the LQQP and make the antenna a single 540 ft piece of wire and ground
the other side?

73's



Is the perimeter of your attic really 360 ft?

That's a lot of wire to stuff in an attic (with an additional 180 feet
on the roof over the attic) and still resemble a loop.

Why not borrow a tuner that covers 160 meters and verify that it will
work before buying one? If the 540 feet is indeed a "loop" you should
not have to open one end for 160 meters.

Chuck

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Listen to Chuck!

Borrow the tuner before you buy.....

If it works ok on 160....leave it alone!
"chuck" wrote in message
...
John Doe wrote:
I live in a antenna restricted community!

I have put up a somewhat stealth antenna.
It is a 540 ft loop = 180 ft virtually lays on the roof and the remainder
360 ft is in my attic.
I feed this with 50 ft of RG58u at the center point (6 turns of the
feedline - approx 8" dia is used as a RF choke) running down to a manual
tuner.
The antenna in this configuration is about 1.5:1 across all the bands
from 75m to 6m. I would like to operate on 160m, but the tuner doesn't
cover that band, and when I try to go directly the SWR is extreme and we
don't use it!
My questions a
1] should I leave the antenna system alone as is? It works - but as a
wire system has its limitations due to the clearance off the roof?
or
2] should I purchase another antenna tuner that covers 160m - 6m. and
open the LQQP and make the antenna a single 540 ft piece of wire and
ground the other side?

73's

Is the perimeter of your attic really 360 ft?

That's a lot of wire to stuff in an attic (with an additional 180 feet on
the roof over the attic) and still resemble a loop.

Why not borrow a tuner that covers 160 meters and verify that it will work
before buying one? If the 540 feet is indeed a "loop" you should not have
to open one end for 160 meters.

Chuck

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John Doe wrote:
The antenna in this configuration is about 1.5:1 across all the bands from
75m to 6m.

Where are you measuring the SWR?
--
73, Cecil http://www.w5dxp.com