Jim,
I ran the KX3 with my Mirage A1015G running 125w into a 3-elem yagi
for the June (8/9) ARRL VHF Contest and had no trouble hearing and
working 6m stations. I run the internal preamp set to 30-dB
gain. With that setting the noise floor raises to S2-3 which is
about right. The s-meter registers zero with PRE off.
Unlike the K3 the KX3 seems to hear well using the internal
preamp. You may wish to set the gain to 20-dB if you like quieter
monitoring. I have not measured MDS level using the shielded XG3 and
very good step attenuators/double-shield coax. -107 dBm level
produces a strong signal.
My KX3 spends idle time monitoring 50.125 USB for openings.
73, Ed - KL7UW
http://www.kl7uw.com
dubus...@gmail.com
"Kits made by KL7UW"
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