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I have used a 5-BTV for many years and it works very well. BW on 40 & 80 is somewhat limited and you will need a good ground radial system, if your soil is not highly conductive.
Rich
You can read L. B. Cebik's stuff here:Cebik.com
Like all info on the proper care and feeding of antennas, run the info thru your BS filter and remember: It's just another tool in the toolbox. If it fits, use it.
Rich
I just try to state the facts as I see them. Like changing the length of the coax to my screwdriver antenna. It worked. As far as what happens to the signal, I believe that it is re-reflected to the antenna. Why? Because my field strength meter tells me so. I tune my screwdriver antennas with a...
More than likely, there is a center tapped coil in the base section, below the radials. This was used to shunt load the antenna. If you can find a way to disassemble the coil, you may find that little critters have mad a home in there ans it will be full of all kinds of s**t. Happened to an old...
You are correct, I don't have an antenna analyzer, so I have no clue as to the true impedance of the antenna.
the Bird43 was connected to the base of the antenna with a 12" jumper. I would have connected it with an adapter, but could not find my N male-PL259 adapter.
The original length of...
Thanks Bob, I already found that site doing a Google search on miniVNA. There does not seem to be any way to purchase the hardware (interface) there, only download the software. Maybe I'm missing something. Wouldn't be the first time.
Rich
Just as an example of what I have been saying about coax length, here is what happened to me several years ago.
I installed a screwdriver antenna on my pickup bed rail and used it with my 706m2g. Everything was fine 80-10 except for 7250-7300kHz on 40 meters. Now I check into a net on 7268.5...
Likes:
Large display
Good frequency range
Good receive
Tight front-end
Good transmit power
Good audio
Well built
Good looks
Up/down control from mic
Strong, 4 point mounting bracket
Dislikes:
Must re-enter security code if power is interrupted
Hard to find the right...
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