BILSAT-1 communication subsystem

Date

2003-11-22

Author

Belce, O
Telli, A
Maynard, K

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TUBITAK-BILTEN has initiated a project to develop and propagate small satellite technologies in Turkey. As part of this initiative, TUBITAK-BILTEN has worked with Surrey Satellite Technologies Limited (SSTL) to develop a 100 kg class enhanced microsatellite, BILSAT-1*. With the successful completion of this project, TUBITAK-BILTEN will be capable of producing its own satellites, covering all phases from design to production and in-orbit operation. The project was started in August 2001 and BILSAT-1, shown in Fig 1, was successfully launched from Plesetsk Cosmodrome, Russia in 27 September 2003. In this paper the communication subsystem of BILSAT-1 is presented. The primary uplink is the S-band receivers and the primary downlink is the S-band transmitters on-board BILSAT-1, whereas VHF and UHF systems are also present as back-up for uplink and downlink respectively, UHF/VHF system is currently being used for commissioning phase due to omni directional coverage requirements. S-band being the nominal operation system has relative directionality. The data rate of uplink is 9.6 kbps for both S-band and VHF. However, S-band is capable of 2 Mbps and UHF has 9.6 kbps, 38.4 kbps and 76.8 kbps opportunities for downlink.

Subject Keywords

Assembly, Space vehicles, Production, Temperature distribution, Radio frequency, Blades, Aerospace engineering, Downlink, Transmitters, Satellites

URI

https://hdl.handle.net/11511/66255

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Unclassified, Conference / Seminar