SAUDISAT 1C

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SAUDISAT 1C is classified as:

NORAD ID: 27607

Int'l Code: 2002-058C

Launch date: December 20, 2002
Source: Saudi Arabia (SAUD)
Launch site: TYURATAM MISSILE AND SPACE COMPLEX (TTMTR)

Uplink (MHz): 145.850
Downlink (MHz): 436.795
Beacon (MHz):
Mode: FM
Call sign:
Status: Active

SAUDISAT 1C (or SO-50, Saudi-OSCAR 50) carries several experiments, including a mode J FM amateur repeater experiment operating on 145.850 MHz uplink and 436.795 MHz downlink. The repeater is available to amateurs worldwide as power permits, using a 67.0 Hertz PL tone on the uplink, for on-demand activation. SO-50 also has a 10 minute timer that must be armed before use. Thus, first transmit an initial carrier with a PL tone of 74.4 to arm the timer. The repeater consists of a miniature VHF receiver with sensitivity of -124dBm, having an IF bandwidth of 15 kHz. The receive antenna is a 1/4 wave vertical mounted in the top corner of the spacecraft. The receive audio is filtered and conditioned then gated in the control electronics prior to feeding it to the 250 mW UHF transmitter. The downlink antenna is a 1/4 wave mounted in the bottom corner of the spacecraft and canted at 45 degrees inward.