Pete, your correct. I see the same thing with 192K so i dropped back to 48K just to see what happened and the spur or image or whatever it is seems to be a function of the sample rate as well. It gets wider and at a different place than with either 192K or 96K. Assuming the zoom remains the same.

I'm going to post a movie as soon as I have the time.

73 de k4xtt  Vic


On 5/31/2010 5:04 PM, Pete Parisetti wrote:
Dear all,

The RX/TX turnaround problems that have plagued me (and others) have
disappeared by increasing the sampling rate to 192 kHz on my 5000.
Obviously, since I run a p4 2.4, with four times the sampling rate I now get
some cracking in the rx audio, typical signs of the processor being pushed a
bit too far.

But now, the phantom spur signals that were present only on 6 metres are now
visible on other bands as well. On 10 I even have a faint tone in the audio,
no matter what frequency I tune to.

73 Pete



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