[Amps] Tube Amps as Antenna Tuners

N1BUG paul at n1bug.com
Wed Jan 26 14:33:59 PST 2011


My amp and ATU are one and the same. I have got away with using 160, 
80, and 40 meter antennas on 17 and 12 meters, as well as some other 
"radical" things. OTOH, my amp is homebrew and built to be able to 
withstand a little extra RF voltage or current here and there...

73,
Paul


Carl wrote:
> I do the same with a LK-500ZC even on 160 with SWR up to around 5:1. Changed 
> a few fixed padder values to keep the grid current in a safe range, and its 
> running the original 1986 Eimacs, and bandswitch which has never arced. I 
> dont even own an ATU


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