[amsat-bb] Re: CP4 telemetry May 13, 2007
kmccabe at calpoly.edu
Sun May 13 18:47:46 PDT 2007
> I observe that the frequency is higher on the day (sat in sunlight)
> than in the night. The difference is abt. 500 Hz from the nominal
> 437.322 MHz (USB).
> Can someone share this experience?
We've observed a similar difference here at Cal Poly. The
satellite's frequency has always been pretty sensitive to
temperature. It was calibrated at room temperature (~23 C), which
probably accounts for the .322 vs .325.
Keith McCabe, KI6CWF
More information about the AMSAT-BB