Ah, shucks, Scott! ('Bear' sheepishly grins and scuffs his foot)
Thanks!
Sounds like you've got a pretty high Q loop. I have noticed a small
degree of sideband cutting on mine at the low end of the band. The
polyvaricon cap I'm using is probably cutting down on the overall
circuit Q.
Not surprised that you got better directionality at ground level.
From about 3 MHz on down rf seems to like "falling down" and
traveling along the ground. Same thing happens with acoustic waves.
The lower the frequency, the more they hug the ground.
73,
'Bear' NH7SR
--- In loopantennas@..., "Scott Savage KC7WDG"
<kc7wdg@c...> wrote:
well tried an experiment tonight took the yaesu frg-7700 and look
outside and the pizza box loop and from what I see the loop is more
directional closer to ground and seems to work better on some
stations. Also the tuning cap needs to be very finely tweaked to peak
the station its amazing how just adjusting it can change the sound of
the audio and or remove adjacent interference. also the loops works
just about as well as my big dipole only quieter most of the time the
bonus is the size of it the loop is much much smaller and works just
as well if not better on some station because of its directionality.
I am very impressed with this MacGyver antenna or MPBL for MacGyver
Pizza Box Loop hehe. I also took and used some hot glue to secure the
turns in 4 spots on each side also on the corners I may take some
pics later for you guys its ugly but works great. Also thanks to
everyone who suggested ideas and what not and a big thanks to bear
for the description.
Scott
KC7WDG
----- Original Message -----
From: Bruce Carter
To: loopantennas@...
Sent: Wednesday, June 09, 2004 12:27 PM
Subject: [loopantennas] Re: Pizza box loop
Or better yet get a clean one from the pizza restaurant so it
doesn't STINK or attract ants.
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