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VHF Antenna Resistance, Center Conductor To Shield
I have a 34 foot sloop which I bought six years ago on Kentucky Lake
near Paducah. I motored it up river to Guntersville Lake in North Alabama. I sailed her on Guntersville Lake on the very few days that I had off and the wind was blowing. That however, was no more than a few days a year. Now I am retiring in June and am going to take her down the Tenn-Tom Waterway to her new home in Pensacola, Florida. There we will sail and fish for the rest of our days. When I bought the boat it had a pretty good VHF radio with the antenna mounted at the top of the mast. It worked fine when we were bringing the boat down to Alabama. But a few months back I tried the radio for the first time in six years. It would not even power up. Not to worry, I bought a new Icom VHF radio. Before installing it I decided to check the antenna resistance from the center of the coax to the shield. I got about two and one half ohms. I was thinking it should be an open. What should the resistance be, measured from the radio end, from the center conductor to the shield? Someone please help me because I don't want to hook up the radio and blow the transmitter. Is this a danger? Or perhaps I have nothing to worry about. Thanks in advance Ron Patterson That's yahoo.com |
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