LMI 1

Also called Interbelar 2, ABS 1, ABS 6

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General

Designation	25924 / 99053A
Launch date	26 Sep 1999
Country of origin	United Kingdom
Mission	Telecommunications
Geostationary orbit	see below
Launch vehicle	Proton #270

Telemetry, tracking and control are handled by A2100 Satellite Operations Center, Sunnyvale, California. Monitoring and day-to-day operations are handled by Dubna MS, Russia and Shipka MS, Bulgaria

In 2009, it's owner claims it has 14 years of fuel remaining.

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Location

Begin	End	Position
L: 26 Sep 1999	Apr 2014	75°E
Jun 2014		159°E, ABS 6

sat-index articles

Technical data

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Lyngsat transponder loading

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EIRP coverage (dBW)

C-band, broad (A) beam
C-band, narrow (B) beam
Ku-band, north (A1) beam
Ku-band, south (A2) beam

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Specifications

Prime contractor	LM
Platform	A2100AX
Mass at launch	3740 kg
Dry mass	1730 kg
Dimension
Solar array
Stabilization	3-axis
DC power	BOL: 7560 W EOL: 6853 W
Design lifetime	15 years

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C-band

Main transponders	28
Backup transponders	4
Power	45 W
Bandwidth	36 MHz
Coverage	A: Africa, the Middle East, Australasia and South East Asia excluding central Asia B: central Asia
EIRP max	38 dBW
G/T max	-3.5 dB/K
Polarization	linear H/V
Frequencies	Uplink: A: 5.725-6.025 GHz; B: 6.425-6.725 GHz Downlink: A: 3.7-4.0 GHz; B: 3.4-3.7 GHz

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C-band transponder frequency chart

Horizontal Downlink	Transponder	Vertical Downlink	Beam
3.419	1A		B
	2A	3.439	B
3.459	3A		B
	4A	3.479	B
3.499	5A		B
	6A	3.519	B
3.539	7A		B
	8A	3.559	B
3.579	9A		B
	10A	3.599	B
3.619	11A		B
	12A	3.639	B
3.659	13A		B
	14A	3.679	B
3.720	1B		A
	2B	3.740	A
3.760	3B		A
	4B	3.780	A
3.800	5B		A
	6B	3.820	A
3.840	7B		A
	8B	3.860	A
3.880	9B		A
	10B	3.900	A
3.920	11B		A
	12B	3.940	A
3.960	13B		A
	14B	3.980	A

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Ku-band

Main transponders	16
Backup transponders	6
Power	90 & 135 W
Bandwidth	27 MHz
Coverage	A1: Northern part of the North hemisphere including Russia, part of China to Irak A2: Central part of the North hemisphere, including the Middle East, India, Thailand, Vietnam and most of China
EIRP max	northern: 48 dBW southern: 47 dBW
G/T max	northern beam: +2.5 dB/K southern beam: +0.35 dB/K
Polarization	linear H/V
Frequencies	Uplink: 13.750-14.000 GHz Downlink: 12.5-12.75 GHz

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Ku-band transponder frequency chart

Horizontal Downlink	Transponder	Vertical Downlink	Beam
	1	12.518	north
12.518	9		south
	2	12.548	north
12.548	10		south
	3	12.579	north
12.579	11		south
	4	12.610	north
12.610	12		south
	5	12.640	north
12.640	13		south
	6	12.670	north
12.670	14		south
	7	12.701	north
12.701	15		south
	8	12.732	north
12.732	16		south

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