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we are trying to track "DTUsat-2" which transmit at 2.402 GHz using automatic frequency adjustment to compensate for Doppler shift. Our receiver ( a professional one) have the ability to set frequency using PC interface. Is there a software that can write the Doppler shift or frequency into a file that can be read and send to receiver for correction. Or should we write our own software? Help is appreciated

Kevin Reid AG6YO
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Amer Naoum
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  • If you are asking for software recommendations, you *really* need to specify which platform you are on. Software that runs on Windows likely won't be of any use to you if you are running OS X or Linux, for example. – user Jan 10 '16 at 18:52
  • The platform; Model: HPZ820 workstation Processor: Intel® Xeon® CPU E5-2620 v2 @2.1GHz 2.1GHz Installed memory (RAM): 16 GB System type: 64-bit Operating system Using Windows 7 Professional At the moment we are using HRD sat tracking software – Amer Naoum Jan 13 '16 at 12:45
  • Look at Gpredict [link](http://gpredict.oz9aec.net/). It runs on Windows (and linux and Mac) and will compute Doppler corrections. More interestingly perhaps it interfaces with radios using Hamlib which is open, so if your radio isn't supported out of the box you can roll your own Hamlib module to support it. – Malcolm VE2DDZ Mar 14 '17 at 20:23

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An old question but for the sake of a viable answer, the PyEphem library contains all the needed functionality to perform this calculation on a realtime basis.

See my description here on StackExchange.

Glenn W9IQ
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