Progress-M62 on 166.0 MHz, December 26,
2007, 1125.50-1128.30 UT - command-on
In the spectrum below
command-on of this telemetry signal can be seen. The spacecraft was due
south of Stockholm at command-on. The signal is very strong.
Progress-M63
on 166.0 MHz, February 6,
2008, 1733.45-1738.30 UT
In
the spectrum below command-on of this telemetry signal can be seen. It
looks a little bit different from that of Progress-M62. There are no sharp
peaks at +/-128 kHz!. The "bumps" seems flatter and smoother than
before.