Wonderful idea. Though I have used WebSDRs to hear radio amateurs earlier, never thought that it could be used to find the front/back ratio of your antenna! 73 de Jon, VU2JO
Nice to see the VE7AV SDR make it to your video. I'll share the link with Frank. He'll be thrilled. I've often used this method for testing my antennas performance. I'm on about a 1/3 acre lot and have been able to put up antennas for all HF bands with 2 on 80 (1λ loop, 1 inverted V) 4 on 40 (1/4λ vertical, vertical delta loop, inverted V, and a horizontal loop) and so on. This same method is how I was able to "see" the effects of ground losses as I saw the improvement made when I went from 4 full length radials to a 20-something on my 160M inverted L. Thanks again for all the time you sink into these videos. Bob, VE7WNK
don't forget that using different receive locations will give you different result ,as the vertical radiation patern is different for the different vertical angles. and this method does not compensate for condx and possible signal reflections on the tx or rx location(s).
Awesome information! Enjoying your videos immensely! Thank you!
Best ham radio videos in the game. Keep up the great work!
Wonderful idea. Though I have used WebSDRs to hear radio amateurs earlier, never thought that it could be used to find the front/back ratio of your antenna! 73 de Jon, VU2JO
Nice to see the VE7AV SDR make it to your video. I'll share the link with Frank. He'll be thrilled.
I've often used this method for testing my antennas performance. I'm on about a 1/3 acre lot and have been able to put up antennas for all HF bands with 2 on 80 (1λ loop, 1 inverted V) 4 on 40 (1/4λ vertical, vertical delta loop, inverted V, and a horizontal loop) and so on.
This same method is how I was able to "see" the effects of ground losses as I saw the improvement made when I went from 4 full length radials to a 20-something on my 160M inverted L.
Thanks again for all the time you sink into these videos. Bob, VE7WNK
don't forget that using different receive locations will give you different result ,as the vertical radiation patern is different for the different vertical angles. and this method does not compensate for condx and possible signal reflections on the tx or rx location(s).
And don't forget to ID.
Nicely done! Thank you for sharing this useful information Steve!
de VE6WGM