[Elecraft] Urban stealth HF: Inside-the-backpack loop antenna?

[Leroy Buller]

When I was in College at Kansas State, I had a random length long wire out
the window and up into some trees from the basement apartment.   I used a
simple coil and cap with alligator clips to make a LCD tuner on a piece of
pine.  What made it work was the copper pipe water inlet two feet from the
OP desk.  Good ground.   I worked 80 through 10 with my HW100.  No one
never saw the antenna in 5 years.  BS and Masters

Lee K0WA

On Tue, Jan 22, 2019, 2:57 PM Wayne Burdick <n6kr at elecraft.com wrote:

> I’ve engaged in plenty of ultralight HF pack operation, with a KX2, AX1
> antenna and a dragged counterpoise. In wide open spaces it’s a blast. But
> urban settings with dogs, wire-eating cacti and overzealous Neighborhood
> Watchers can distract from one’s radio experience.
>
> So, just for grins, I’d like to try something completely incognerdo: no
> visible antenna. A small remotely tuned loop (say 12” diameter) would seem
> to be the best choice, as it would fit entirely inside a small backpack. It
> could have  modest efficiency while not requiring a counterpoise wire.
> Rigid 1” copper pipe formed in a square would be convenient to deploy.
>
> The loop would be only 6 to 8” from soft tissue, so you’d want to run QRP,
> of course.  OTOH, we’re talking about HF. A cellphone by your ear is
> probably worse.
>
> Any other antenna suggestions?
>
> Wayne
> N6KR
>
>
>
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