[amsat-bb] UHF Reference frequency for setting ppm offset in SDR.

[Koos van den Hout]

On 2/8/20 5:14 PM, Roy Dean via AMSAT-BB wrote:
> I did a google search on how I could better calibrate my el-cheapo SDR to
> receive HuskySat-1 (I use NOAA weather stations to calibrate roughly to
> VHF), and I found this article by WA1CYB:
> 
> https://www.amsat.org/wordpress/wp-content/uploads/2018/02/2017Symposium-SDR-Freq-Calibration.pdf
> 
> Sure enough, Channel 17 had a strong pilot tone at 488.309441 for me to use
> as a half-way decent reference!    Hoping this can help others in the
> future.

For those in other parts of the world with GSM networks kalibrate-rtl
can be an option to get to the same result.
Source https://github.com/steve-m/kalibrate-rtl

My experiences at https://idefix.net/~koos/newsitem.cgi/1493498616

Koos PE4KH

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Koos van den Hout
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