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Old 05-05-2013, 10:11 AM   #1
Seasoned Camper
Join Date: Jan 2006
Location: McKinleyville
Posts: 62
M.O.C. #5263
Power for 2M ham radio.

I want to mount my Yaesu FT-7900 in my Mountaineer. Do most of you hams run a power supply off AC power, or run new wires from the battery. I don't think the 12 volt wiring is thick enough to transmit at full power. The FT-7900 draws about 9 amps when transmitting at 50 watts.
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Old 05-05-2013, 10:25 AM   #2
H. John Kohl
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I put an AGM battery and separate charger/power supply for my Ham station.
Yes I agree separate bigger wires are need to carry 10 to 15 amps.
Good luck and let us know how you install it.
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Old 05-08-2013, 02:45 AM   #3
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I use a separate regulated power supply for my old Icom 746
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Old 05-08-2013, 09:15 PM   #4
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In my old rig I ran a DC circuit directly from the battery to the back of the trailer where my radio was mounted on my desk. I used 8 gauge wire. I would not do that again. I would do as John Kohl did and have a separate battery very close to the radio. Good luck, KA6TZP, Dennis
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