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Loop On Ground (LOG) Tests At VA7ST
11 August 2021 | by  |
| Single LOG / Dual LOG - courtesy: va7st.ca |
As man-made noise levels become ever more problematic for radio amateurs, particularly those that are serious about weak-signal DX on the lower bands (160 / 80m), the ‘Loop On Ground’ or ‘LOG’ is proving to be a worthwhile improvement for some.
Bud, VA7ST, near Kelowna, has done some recent experimenting with a LOG as an alternative to listening with his 160 / 80m transmitting antennas and has written a great blog on his findings.
Bud has included some ‘A-B’ tests comparing the LOG to his normally-used vertical or inverted-L and the results are quite interesting.
If you’ve ever considered building a separate quieter low-band antenna, you can find everything you might need to get motivated as well as a nice listing of LOG-related links in Bud’s very helpful blog:
https://va7st.ca/2021/02/matching-transformer-for-loop-on-ground-and-beverage-antennas/
and
https://va7st.ca/2021/01/hearing-through-the-noise-on-the-low-bands/
3 Responses to “Loop On Ground (LOG) Tests At VA7ST”
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Thanks for the info, Steve. Although it’s interesting and informative to read your description and explanations, The audio files really hammer the difference home. I don’t have your real estate, but will definitely try something like this on a smaller scale.
73
Colin
OR, you could build yourself a Double Bazooka antenna for the band most effected by noise.
https://radioaficion.com/cms/build-a-double-bazooka-antenna/
I don’t believe things could be much quieter than with a LOG. It should be noted that the comparison antennas in the video are verticals which are always noisier than horizontal wires. A good comparison would be against a horizontal dipole or against Stephen’s Bazooka.