Posted by
K9MA on
Jan 13, 2019; 6:25pm
URL: http://elecraft.85.s1.nabble.com/K3-Receiver-recovery-time-tp7648024p7648031.html
On 1/13/2019 12:10, Dave Cole (NK7Z) wrote:
> Is it faster than .0001 ms?
Certainly not. I'm not sure whether it is recovery time or latency, but
in full break-in mode, you hear nothing between the dits above something
like 10 wpm. (Even with AGC off.) With other non-DSP receivers, one can
hear between the dits up to at least 30 wpm with fast AGC. Perhaps it's
just the price we pay for the power of DSP.
Many years ago, when there were sunspots, I recall hearing multiple
echos on 15 meters. I timed them, and the time interval was about 133
ms, just about the time it takes radio waves to circumnavigate the
earth. I heard them go around at least twice, and that was receiving off
the back of a beam. Talk about long path! That would not have been
possible with a DSP receiver.
73,
Scott K9MA
--
Scott K9MA
[hidden email]
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