[Flexradio] Spurs on 20m
K8MLM at aol.com
K8MLM at aol.com
Sat Sep 1 12:28:29 CDT 2007
Yes. I see spurs from 14.291.5 to 14.297.
Using a SDR-1000 with Delta 44.
Bob
K8MLM
In a message dated 9/1/2007 10:12:29 A.M. Eastern Daylight Time,
k9dur at msn.com writes:
I just ran across a strange artifact that is present in both v1.10.1 & in
SVN 1503.
I was on 20m USB. While tuning up in frequency in 100Hz steps, when I
stepped from 14.293.8 to 14.293.9, a series of spurs appeared all the way
across the panadpter display. When I continued tuning up in frequency, they
abruptly disappeared when stepping from 14.296.8 to 14.296.9. As you tune
across the 6 kHz segment where they are present, the number of spurs (& also
their spacing, of course) changes. Switching Spur Reduction on and off also
changes the number & spacing of the spurs. However, even with Spur
reduction on, one or more of the spurs may be within the receive passband.
I am using a SDR-1000 with the M-Audio Delta 44 sound card.
Anyone else notice this?
73, Ray, K9DUR
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