Measat 1

Also called Afrisat 1, Africasat 1

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General

Designation	23765 / 96002B
Launch date	12 Jan 1996
Country of origin	Malaysia
Mission	Telecommunications
Geostationary orbit	see below
Launch vehicle	Ariane V82

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Location

Begin	End	Position
L: 12 Jan 1996	Nov 2007	91.5°E
Jan 2008	Apr 2013	46°E, inclined, became Africasat 1

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End of life

Out of service	Apr 2013
Cause	moved to the junk orbit

sat-index articles

Technical data

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Lyngsat transponder loading

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EIRP coverage (dBW)

C-band
Ku-band

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Specifications

Prime contractor	Hughes
Platform	HS-376HP
Mass at launch	1450 kg
Mass in orbit	650 kg or 886 kg ?
Diameter	2.16 m
Height	3.3 m (7.82 m deployed)
Solar array	gallium arsenide
Stabilization	Spin stabilized
DC power	BOL: 1705 W? EOL: 800 W
Design lifetime	12 years

The satellite uses gallium arsenide solar cells instead of silicon. It also features a specially contoured surface that eliminates the need for multiple feed horns. Also its has bipropellant propulsion system for stationkeeping and attitude control.

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C-band

Main transponders	12
Backup transponders	3
Power	12 W (SSPA)
Bandwidth	36 MHz
Coverage	Malaysia, Philippines & South-India
EIRP max	39 dBW
G/T max	+3 dB/K
Polarization	linear
Frequencies	Uplink: 5.925-6.425 GHz Downlink: 3.700-4200 GHz

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C-band transponder frequency chart (GHz)

Horizontal Downlink	Channel	Vertical Uplink
3.720	1	5.945
3.760	2	5.985
3.800	3	6.025
3.840	4	6.065
3.880	5	6.105
3.920	6	6.145
3.960	7	6.185
4.000	8	6.225
4.040	9	6.265
4.080	10	6.305
4.120	11	6.345
4.160	12	6.385

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Ku-band

Main transponders	5
Backup transponders	1
Power	112 W (TWTA)
Bandwidth	54 MHz
Coverage	narrow spots: Malaysia or Philippines or South-India
EIRP max	57 dBW
G/T max	+11 dB/K
Polarization	linear
Frequencies	Uplink: 14.000-14.250 GHz Downlink: 10.950-11.200 GHz, switchable to 11.45-11.7 or 12.2-12.75 GHz

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Ku-band transponder frequency chart (GHz)

Vertical Downlink	Transponder	Horizontal Uplink	Beam
10.982	1	14.032	Malaysia + Philippines
11.044	2	14.094	Malaysia + Philippines
11.106	3	14.156	Malaysia
11.168	4	14.218	Malaysia
12.284	5	13.784	South-India
12.346	6	13.846	South-India

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