Saudi-OSCAR 50

Saudi-OSCAR 50 is a Saudi Arabian amateur radio satellite that was launched on 20 December 2002 by the King Abdulaziz City for Science and Technology.

SAUDI-OSCAR 50, Saudisat 1C
OperatorKing Abdulaziz University for Science & Technology
COSPAR ID2002-058C
SATCAT no.27607
Websitehttps://www.kacst.edu.sa/
Mission durationElasped:
20 years, 10 months and 5 days
Spacecraft properties
Launch mass10 kg
Start of mission
Launch date20 December 2002 (2002-12-20)
RocketDnepr
Launch siteBaikonur Cosmodrome
Orbital parameters
Reference systemGeocentric
RegimeLow Earth
Perigee altitude603 km
Apogee altitude713 km
Inclination64.56 degrees
Period97.89 minutes
 

Technical information

SO-50 carries several experiments, including an amateur radio repeater experiment. The transponder receives on 145.850 MHz FM and retransmits on 436.795-436.780 MHz. The transponder is available to amateurs worldwide as power permits. The receiver has a sensitivity of -124 dBm, having a 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.[1]

References
  1. "AMSAT - Satellite Detail - Saudi-OSCAR 50". www.amsat.org. Archived from the original on 14 March 2012. Retrieved 12 January 2022.
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