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Re: K3s noise figure spec

Posted by Jim Brown-10 on Jul 01, 2020; 5:12am
URL: http://elecraft.85.s1.nabble.com/K3s-noise-figure-spec-tp7662748p7662762.html

On 6/30/2020 4:31 PM, Dave Sublette wrote:
> Does anybody KNOW what the noise figure is for the 50MHz preamp on the
> K3s?  It isn't listed in the specifications.

I don't know, but I'm using an ARR GasFET preamp at the RXIN/OUT patch
point, and the ARR 0.5 NF seems to be slightly better than the
K3S-series Transverter Interface. Although I own an ARR mast-mount
version, I'm afraid to put it at the tower because the 6M antenna is
only about 10 ft below the SteppIR that I drive legal limit. :)  The
loss in my 325 ft of 7/8-in hard line plus coax for rotator loop and
jumper at the shack is is a bit less than 1 dB on 6M.

73, Jim K9YC

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