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Old 21-04-2010, 18:39   #1
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VHF Radio Transmit Issue

Having a problem with my Marine VHF radio. When I push the transmitt button I get clicking, like the transmit is turning on and off, I have two radios on the same power supply. I can be heard by people listening on the frequency on an intermittent basis. Could this be caused by too much draw on the power supply.

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Old 21-04-2010, 20:09   #2
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Start by checking all your wiring, connections, power and coaxial. Make sure there is no corrosion anywhere and that all connections are tight. Its not likely to be the fact of having 2 radios on the same connection unless you are trying to transmit from both of them at the same time. This could be just about anything from power to the antenna ground. Without more information its difficult to be more specific.

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Old 21-04-2010, 20:15   #3
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do you have a neg fuse? make sure it is not blown
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Old 23-04-2010, 10:33   #4
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Talking VHF Radio Transmit Issue

Thanks guys figured it out. The power supply I was using was rated at 5 amps and with two radios on it it was close to its max. The one radio with the transmit issue had a higher draw 6 amps, and when I pushed the transmit button the power supply would collapse. Have put on a second power supply to the other radio. Thanks for you help.
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Old 23-04-2010, 10:46   #5
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The question now becomes why are you running a 12VDC radio off a power supply rather than ship's power? Just curious.
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