[HCARC] Attic antennas
Dennis Robertson
robertson at ctesc.net
Fri Feb 21 12:12:07 EST 2014
Might work if you ever get on the air, but I guess you are too busy doing the minutes and newsletter.
D
Sent from my iPhone
> On Feb 21, 2014, at 10:22 AM, "Gary J - N5BAA" <qltfnish at omniglobal.net> wrote:
>
> My assumption, since Kerry indicated that it wouldn't work on his roof with with foil backed insulation board, that on my metal roof it is totally undoable. Maybe I should erect a vertical and have it use the roof as a large radial field.
>
> Gary J
> N5BAA
> HCARC Secretary 2013/14
> 2014 Field Day COORDINATOR
>
>
> "We are Coulomb of Borg. Resistance is futile. Voltage, on the other hand, has potential."
>
> -----Original Message----- From: galeheise at windstream.net
> Sent: Friday, February 21, 2014 8:45 AM
> To: SARA SANDSTROM ; timberrr59 at yahoo.com ; thipskind at sudedenlink.net
> Cc: H - Reflector
> Subject: Re: [HCARC] Attic antennas
>
> Kerry-
>
> You mentioned wire lying on top of an asphalt roof. I had entered "wire
> beam" in the past for a Google search and found a website where a fellow had
> built a wire beam antenna on top of his roof. As I recall, a transmission
> line followed the peak of the roof with wire elements extending
> perpendicular down both sides of the roof. It was a pretty neat stealth
> antenna. Unfortunately, I didn't save the website but I suspect it can be
> found with some effort.
>
> Gale
> KM4DR
>
> -----Original Message----- From: SARA SANDSTROM
> Sent: Thursday, February 20, 2014 9:32 PM
> To: timberrr59 at yahoo.com ; thipskind at sudedenlink.net
> Cc: H - Reflector
> Subject: [HCARC] Attic antennas
>
>
>
> Howdy,
>
> There are at least a couple of you interested in attic antennas. Whenever I
> talk to someone using an attic antenna or other stealth antenna , I ask them
> about it. One person, Bill, WB4DBO, directed me to his page on qrz.com. If
> you go to WB4 DBO and go down to the last 5 photographs, Bill has pictures
> of his Bazooka dipoles in his attic. Bill uses a K3 with a built in auto
> tuner and says the built in tuner handles the SWR on his dipoles without any
> problems.
>
> Another station I recently talked to had taken is dipole and pushed the
> wires under the bottom ends of the shingles on his roof. In his case, the
> dipole is 'almost' outside. If you have a pitched roof with asphalt
> shingles, it looks like a pretty neat idea and the antenna is pretty well
> hiden. One thing you might be consider is the type of insulation used in
> your house. From what I can see of mine, it looks like there is an
> insulation panel under the roof that has aluminum foil on the side facing
> down. There is plywood on top of the insulation and a metal roof above
> that. Needless to say, an attic antenna would not be practical for me!
>
> Kerry
>
>
>
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