Hello BART,
RE: High current on 80. I had a similar problem when I built my KX1. Do
a search on KL7CW and see my post of April 19th
on the Elecraft site. IMPORTANT...while troubleshooting with kx1 out of
case..use a low voltage (7 volts ?) and short transmission
times.
RE: Power modification. Do the mod after you find the 80 meter problem.
I was very happy for over a year with only just over
1 watt output. However when you operate under marginal conditions and/or with
compromise antennas you want all the power you
can generate. You can always turn down the power if you really want a 1 watt
transceiver. 6 internal Lithium cells have a very long
life, even with the power modification. I have not tracked the life, but
suspect it is at LEAST 20 or 30 hours of operation, possibly
much more if you listen most of the time like I do. I operated the Field Day
contest and needed all the signal I could get. Hiking for an
hour up a mountain probably gained me a few db. Hauling a 1.5 Kg 9 meter mast
up the mountain probably gained me another few
db. When I got to the site and found out that conditions in Alaska were only
fair I changed out my well used Lithium cells to a fresh
pair and gained perhaps another db. Also I carried RG58 instead of RG174 which
may have gained me another db or so. Any of these
individual actions may not have made much difference, together they enabled me
to actually squeeze some qso's out of my set up.
Rick KL7CW Palmer, Akaska Kx1 #
798
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