[amsat-bb] Re: Linux Gpredict, Doppler, and the FM satellites

Nate Duehr nate at natetech.com
Wed Sep 5 17:31:15 PDT 2007

Bob Stewart wrote:
> One of the problems I've encountered on my FT-726R
> without preamps is finding the satellite signal when
> it's really weak.  I had been just switching to USB
> and hunting around till it got strong enough to hear
> on FM, but that was rather aggravating.  I use Linux
> and "gpredict" tracking software, so I finally changed 
> the program's doppler readout for the FM sats to just 
> show the khz and 100hz values.  IOW, the doppler 
> readout now shows 8032 to tell me that the sat is 
> now on or about 436.8032.  If anyone wants a copy 
> of the source mods, let me know.
> Bob - AE6RV

Besides offering them to others directly, don't forget to send them back 
upstream with a good description of why you did it, so they can be 
incorporated into later versions!  :-)

Nate WY0X

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