LES 9

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General

Designation	08747 / 76023B
Launch date	15 Mar 1976
Country of origin	United States
Mission	Military: telecommunications
Geostationary orbit	see below
Launch vehicle	Titan 3 #93
Mass at launch	450 kg

LES 8 & 9 were placed in geostationary orbit with 90° between each other. Equipped with a radio isotropic 238 plutonium generator, they could communicate without the help of a ground station.

In 1998 the satellite is still active, relaying communications with the South Pole. Active state confirmed in 2004.

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Location

Begin	End	Position
L: 15 Mar 1976		?
Mar 1995	May 2020	105°W, inclined

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End of life

Out of service	May 2020
Cause	Decommissioned

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External resources

sat-index articles

Technical data

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Transponder frequency chart (MHz)

Uplink	Transponder	Downlink
303.150	1	249.350
303.175	2	249.375
303.200	3	249.400
303.225	4	249.425
303.250	5	249.450
303.275	6	249.475
303.300	7	249.500
303.325	8	249.525
303.350	9	249.550
303.375	10	249.575
303.400	11	249.600
303.425	12	249.625
303.450	13	249.650
303.475	14	249.675
303.500	15	249.700
303.525	16	249.725
303.550	17	249.750
303.575	18	249.775
303.600	19	249.800
303.625	20	249.825
303.650	21	249.850

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