I'm using the PR6-10 on my K3 (SN4043) and it helps 10m and 6m Rx,
immensely. I also have a ARR 6m gasfet preamp mounted on the 6m
tower for eme and use DIGIOUT-1 to select either preamp with the ARR
on the bypass connector of the PR6-10.
What I got from reading of the original problem was that there was
insufficient gain in the K3 Rx chain at high-end frequencies to
provide adequate sensitivity, so the preamp mainly adds gain to the
chain. Fact that the NF is a little lower does not hurt if you are
in a low noise environ.
On 6m-eme local band noise floor is the prime limit on MDS, other
than needing more antenna gain (single yagi 13-dBi). 15 dBi is
considered the minimum for realistic eme reception. That seems to be
my circumstance where other stations see my 1000w long before I see
them (I have to use ground-gain enhancement to see eme).
73, Ed - KL7UW
http://www.kl7uw.comDubus-NA Business mail:
[hidden email]
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