Another thread of nits to pick. The only good thing is that solder and
soldering/unsoldering utensils are getting a rest.
KA5N
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Yesterday I put the SWR mod in my KPA100 for my K2 #1107 which was
purchased on 3-29-2000. No problems and the rig worked fine as usual after
the mod. I got to thinking that it seems like I have been doing mods for
four years and it must have cost me a fortune. I got out my invoices (I
have
Sounds like the circuit is trying to pull the crystal farther than it will
oscillate properly. The crystal might be marginal, the varactor might be flaky
or there may be a wrong part in the circuit. The other possiblity is that the
waveform of the oscillator is such that the counter circuit
Suggest you look for solder bridges. The KDSP2 has several close pads that
are easy to bridge. I had some problems with the module. In my case it
seemed to work but had two solder bridges. My excuse is old eyes.
Luck
Allen
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I have been using the MMSSTV software for some time to receive SSTV (I am not
interested in transmitting and just monitoring). I use the headphone jack and
get good pictures if the signals are strong enough. With all the MM software
you have to figure out how it works by trial and error (lots
The proposed addition of a note to use only a 3 amp power supply is not
really the best way to avoid PCB damage in case of a short. A three amp
supply (or most others unless designed to cut off if excessive current is
drawn) will supply as much power into a short as it is capable. So if the
I managed to blow a set of K2 finals. One of the mounting screws rusted and
the rust shorted one collector to ground (high resistance) so one transistor
opened and the other was down to about 3 watts max. I dredged back in
memory to a First Telephone License test (when they were still available)
CW Get works pretty well when you monitor something like W1AW doing code
practice (with strong non-QSBed signal) but on real signals you get
drop-outs and a series of e e e e t t tt et te nonsense on very slow
unsteady signals. The problem is that it is the best that I have tried! The
human head
Both the Central Electronics 10B and 20A generated EITHER USB and LSB at 9
MHz. I owned one each of these rigs. Mixed with 5 MHz (or various multiples
thereof) one could operate from 80 to 10 meters. You selected the sideband by
flipping a switch on the CE unit. The best part was the
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