[RVRC] African Satelite/fm repeater

Marvin Bronstein marvbrons at verizon.net
Fri Sep 18 17:49:45 EDT 2009


* South African Amateur Radio Payload Reaches Orbit: After several
delays, South Africa's SumbandilaSat satellite
<http://www.amsatsa.org.za/SZASAT.htm> finally blasted to orbit aboard a
Soyuz rocket from the Baikonur Cosmodrome in Kazakhstan on September 16
<http://www.russianspaceweb.com/baikonur.html>. The main payload is a
multi-spectral imager, but the satellite also carries an Amateur Radio
component consisting of a 2 meter/70 cm FM repeater. After SumbandilaSat
is fully commissioned, the repeater will be activated with an uplink at
145.880 MHz and a downlink at 435.350 MHz; there will also be a voice
beacon at 435.300 MHz. The transponder mode will be controlled by a
CTCSS tone on the uplink frequency. The CTCSS tone frequencies have yet
to be announced. SumbandilaSat was sponsored by the Department of
Science and Technology and was built at SunSpace
<http://www.sunspace.co.za/> in cooperation with the Stellenbosch
University <http://www.sun.ac.za/>. In addition to the SA-AMSAT amateur
module, the satellite carries Stellenbosch University's radiation
experiment and software defined radio (SDR) project, an experiment from
Nelson Mandela Metropolitan University and a VLF radio module from the
University of KwaZulu-Natal.

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