I once saw a print up of laying out a Dipole on Ground and doing measurements and adjusting length and then using that to figure out a proper length for a BOG. Does anyone know where It. Can you ex
I'll stick my neck out and suggest Dallas Lankford's '2 FET amp'. He designed it for phased loop antennas for the MW band. I believe it will work to at least to 9 MHz and maybe to 30 MHz. The spe
I have a plan to put a matching transformer and a Hi Z amp on my antenna with relay switching, so I can do a real A, B, comparison. If you have any advice on implementing that or advice about common
I'm about to do some measurements on a BOG. I've been a little slow getting things working, I've now got my inside and outside boxes assembled, I understand I can break the BOG in the middle and fin
I laid down 260ft of wire as a dipole on the ground, it is resonant at 1190kHz. I calculate this as a VF of 0.685, my calculation is actually 0.315 but I don't think that's right, so I subtracted fro
That brings up the question, can you use a tightly coupled pair for a reversible Beverage? And would WD-1 wire work? http://www.signalcenter.com/commo/wire/wireinfo/wdwireinfo.html
Did a first test on a BOG, I noted it didn't have a f/b ratio. Then I noted I connected the wrong pair to the radio. That means the twisted pair is picking up signal. I terminated it hoping that w
Hi guys, After describing what I had to a fellow ham, he noted I did not have an Isolation transformer at my radio. In a hurry I just connected the Cat5 to the radio input. (I'm sure many will say, n
Now that I have the CAT6 feed line ingress mostly tamed. (Installing the isolation transformer did that.) What methods can I try to reduce the ingress even further? I have tried coiling the CAT6, 15
I ran into a problem like yours with tower raising. It turned out that the feedline was acting as a vertical antenna and the actual RX antenna did not have adequate feedline isolation. When the tower
I've seen Cat 5 and 6 cable used up to 20MHz on one pair, power on another and data on a third, perhaps switching on a fourth pair. I know this >works for distances of at least 20 metres and I wonder
I would just look for WD-1 military telephone wire, very strong, tough insulation and cheap enough. Mikek -- This email has been checked for viruses by Avast antivirus sof