[amsat-bb] RUDAK testing - help please

["Assi Friedman" <4x1kx@xxxxxxxx>]

Hi,
The AO40 RUDAK team uploaded test code to one of the DSPs. This code
generates a carrier at around 2401.625MHz (+/- doppler). The intent of this
code is to help users do a ZR0 type experiment and test just how good their
S-Band receive station is.
The program generates a clean carrier at full RUDAK power, and then starts
decreasing power in 3dB steps, all the way down to -30dB. One full cycle is
30 seconds. The resulting pattern is a sawtooth, and it is active between
MA128 and MA160.
The code is new, and needs to be debugged. We would appreciate if some of
you could record a wav file of the signal in SSB. If you can do so, please
set your receiver so a clean tone is heard, and then record for at least 2
full minutes. During the recording don't update the frequency or mode so
receiver "phase modulation" is not introduced.
Once we get this code working, we will extend the period, and include a time
marker so you can tell exactly how good your station is :-)
If you can do this, I would appreciate a zipped file emailed to me at:
4x1kx@iarc.org
Thanks,
Assi 4x1kx/kk7kx

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