[Elecraft] Sunspots!?!?
Ted Edwards W3TB
w3tb.ted at gmail.com
Wed Nov 25 20:00:56 EST 2020
Or turn the RF Gain down...
On Wed, Nov 25, 2020 at 18:45 Dave Cole <dave at nk7z.net> wrote:
> One can always use the built in attenuator...
>
> 73, and thanks,
> Dave (NK7Z)
> https://www.nk7z.net
> ARRL Volunteer Examiner
> ARRL Technical Specialist, RFI
> ARRL Asst. Director, NW Division, Technical Resources
>
> On 11/25/20 4:27 PM, Don Wilhelm wrote:
> > Doug,
> >
> > I lived through cycle 19 of the sunspot signals, and did not find any
> > problem with receiver overloading at that time. We did not have the
> > Elecraft gear at that time, but what we had was not up to the
> > performance/protection that is typical for Elecraft. Receivers have
> > gotten much better in dynamic range and lowered MDS in general and
> > Elecraft rates near the top of the heap.
> >
> > The AGC in the K2 and K1 (and K3/K3S) can handle the strong signals with
> > no problem. It is not much different than reports of performance during
> > a contest where there are strong signals and weaker signals.
> >
> > If we have a strong sunspot cycle, the weak signals will get stronger
> > along with the more powerful stations.
> >
> > 73,
> > Don W3FPR
> >
> > On 11/25/2020 6:52 PM, Douglas Hagerman via Elecraft wrote:
> >> If, by some miracle, the sunspot count were to eventually jump up to a
> >> really high level, as was the case in around 2002, or even better in
> >> 1959, how would the various Elecraft receivers work? I’m specifically
> >> interested in the K1 and K2, but in general, is there a realistic
> >> problem with overloading of the front end? Or, assuming that you can
> >> hear signals from all over, will the selectivity, etc., be sufficient?
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--
73 de Ted Edwards, W3TB and GØPWW
and thinking about operating CW:
"Do today what others won't,
so you can do tomorrow what others can't."
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