FWIW, I power my barefoot K3 with batteries and a solar charger.
After our club county expedition for the California QSO Party
(CQP) last year, I had a new appreciation for the way low power
supply voltage could make a clean transmitter dirty.
To address this problem at home, I got a N8XJK Boost Regulator
from TGE. This device boosts the battery voltage to the radio.
Mine shows 13.9 volts, receive and 13.4 volts key down at 100W
on 160M. I normally have it set up to only boost voltage when is
senses RF output from the transmitter. (I need to talk on SSB
before it cuts in.)
I have not noticed any RF noise on receive when I put it into
"always on" mode. For a single radio setup, any RF noise it
might make will be completely masked during transmit. We'll see
how it works in multi-transmitter setups when I take to next
year's CQP.
73 Bill AE6JV
-----------------------------------------------------------------------
Bill Frantz | Ham radio contesting is a | Periwinkle
(408)356-8506 | contact sport. | 16345
Englewood Ave
www.pwpconsult.com | - Ken Widelitz K6LA / VY2TT | Los Gatos,
CA 95032
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