Fred,
For more on the K3 AGC system, please see the excellent study
by Jack Smith, K8OZA at:
http://cliftonlaboratories.com/elecraft_k3_agc_and_s-meter.htm
Careful study of Jack's tables would tend to support your belief that
the K3 could benefit from a higher threshold setting. Comparing the
behavior of the K2 to that of the K3 as shown in Jack's charts, shows
support for a threshold of some 20 dB higher than the present -100 dBm
(~S4) that K8OZA measured for THR=8. That would place the threshold
around S8 (-79 dBm) similar to that shown by the K2.
73,
... Joe, W4TV
On 12/8/2010 8:01 PM, Cady, Fred wrote:
> After Team Vertical got back from our latest adventure in C6land, I was
> curious about how the AGC was working (or not). Kenny, C6ATA came away
> from the event really preferring his venerable TS850. Both Walt, C6ATR
> and I, C6AKX found turning AGC off was a way to increase the "depth" of
> the pileup and continue to rapidly pull signals out.
> I made some measurements and have posted the results for your perusal
> and information at www.ke7x.com.
>
> 73,
> Fred
> Ke7x
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