9699Re: [loopantennas] how deep are the loop minima
- Feb 10, 2013Hi Vojtech: you must try at more distance from power lines. if u are living very close, you cant get a good null because the antenna is receiving noise transmited along the power line. the transmiter (power line) is not a puntual antenna and probably are receiving noise from angles different than the minimal rx .73Fernando XE2EJ
--- On Sun, 2/10/13, Vojtech <bubnikv@...> wrote:
From: Vojtech <bubnikv@...>
Subject: [loopantennas] how deep are the loop minima
Date: Sunday, February 10, 2013, 9:09 AMHello.
I measured the maximum and minimum band noise of my 1ft dmr loop standing on a window sill. I am living near a HV power line and the attenuation of the powerline noise when turned towards the noise source is in the ballpark of -10dB (-13dB if I am optimistic). Is this a usual value, or shall I strive to do better?
Thanks, Vojtech OK1IAK
- << Previous post in topic Next post in topic >>