Turksat 1C

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General

Designation	23949 / 96040B
Launch date	9 Jul 1996
Country of origin	Turkey
Mission	Telecommunications
Geostationary orbit	see below
Launch vehicle	Ariane V89
Mass at launch	1743 kg

Is rumored to be quite unstable. On 28 Apr 2000 the satellite had an outage starting at 19:35 UT. It went in safe mode after an electrostatic discharge. Service was restored around 20:30 UT.

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Location

Begin	End	Position
L: 9 Jul 1996	tests	31.3°E
late Sep 1996	Jul 2008	42°E
Aug 2008	Sep 2010	31.3°E, inclined

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End of life

Out of service	Sep 2010
Cause	Out of control or ran out of fuel?

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External resources

sat-index articles

Technical data

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Lyngsat transponder loading

Specifications

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EIRP map (dBW)

Central Europe & Turkey
Central Asia & Turkey

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Ku-band

Main transponders	16
Backup transponders	8
Power	55 W (TWTA)
Bandwidth	9 transponders of 36 MHz 2 transponders of 54 MHz 5 transponders of 72 MHz
Coverage and EIRP max	West: Central Europe & Turkey: 53 dBW East: Central Asia & Turkey: 53 dBW
G/T max	11 dB/K
Polarization	linear H/V

The satellite beams were modified to have wider coverage (but only 2 beams)

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Transponder frequency chart (GHz)

Horizontal Uplink	Horizontal Downlink	Transponder	Vertical Downlink	Vertical Uplink	Bandwidth (MHz)	Coverage (downlink)
	10.970	12 (but not 4)		14.270	36	East
14.270		4 (but not 12)	10.970		36	West
14.312		5	11.012		36	West
	11.030	13		14.330	36	East
14.354		6	11.054		36	West
	11.080	14		14.380	36	East
14.396		7	11.096		36	West
	11.130	15		14.430	36	East
14.462		8	11.162		72	West
	11.180	16		14.480	36	East
	11.486	9		14.036	72	East
14.040		1	11.490		72	West
	11.574	10		14.124	72	East
14.140		2	11.590		72	West
	11.669	11 (but not 3)		14.219	54	East
14.219		3 (but not 11)	11.669		54	West

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