[Elecraft] Re: K3 RX performance (tantalizing preview)

[igor sokolov]

Provided 2 yagi antennas separated by 100-150m and each has F/S of 40db you
can get some 80 db isolation and stop warring about wide band noise from
adjacent radio.

73, Igor UA9CDC

> Bill Coleman wrote:
>
> > At NQ4I, with antenna separation of just a few dozen meters, we can
> > often receive effectively within 10 kHz of the primary station.
>
> How do you do this? This field day, I found that having a station on SSB
> in the same band with me when I was on CW was really problematic.
> Antennas were oriented for minimal coupling and power was 100 watts.
>
> Rigs in this case were various Kenwoods, but I've also experienced this
> with other Japanese radios. The problem seems to be transmitted wideband
> phase noise that starts when the ptt is closed (the actual SSB signal
> does not seem to be a problem). We do have bp filters, but of course
> they don't help on the same band.
>
> We haven't had K2's at FD (I am the only one who has one). What kind of
> rigs are in use at NQ4I?
> --
> 73,
> Vic, K2VCO
> Fresno CA
> http://www.qsl.net/k2vco
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