It's all about the Software

I do. But it is in bands and rolls gently, from what I can see.
Thanks!

Background: APT Satellite reception and display. SDRC is the best (long ago also had display) as receiver and tracker in one package. In my analog design of receivers, I always followed the discriminator with a Bessel 6 or 8 pole low pass filter at 6KHz to help de-speckle the noise at low elevations...

Simon: Please see the screen shot. Meanwhile, it is working. Here's what I did. Waiting for the next pass to get your screenshot, I was watching the display, and it looked pretty good. But, I decided that there must be some reason why the WXtoIMG PLL is not locking, so I decided to listen to the sig...

Compressed from 6 meg, but still big, sorry.
Fred
download/file.php?mode=view&id=50

Recently updated Console. Use WXtoIMg to display the NOAA Polar Orbiters. Now the display appears to be of an incorrect audio sampling frequency. Used SDR Play 1A, thought perhaps the problem arose after updating to UNO 1.4. But, replaced SDR Play 1A with Airspy Mini and have the same problem. Earli...