Spacenet 3R

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General

Designation	18951 / 88018A
Launch date	11 Mar 1988
Country of origin	United States
Mission	Telecommunications
Geostationary orbit	see below
Launch vehicle	Ariane V21

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Location

Begin	End	Position
L: 11 Mar 1988	Sep 1997	87°W
Oct 1997		83°W

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End of life

Out of service	Dec 1999
Cause	deorbited

Technical data

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EIRP coverage (dBW)

C-band, 36 MHz transponders
C-band, 72 MHz transponders
Ku-band, East and West spots

Specifications
C-band
Ku-band
C-band transponder frequency chart

Carries one L-band transponder previously used by Qualcomm Inc. for a localization service. Now and since 1993 Mobile Datacom Corporation has been leasing the transponder.

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Ku-band transponder frequency chart (GHz)

Horizontal Downlink	Transponder	Vertical Uplink
11.740	19	14.040
11.820	20	14.120
11.900	21	14.200
11.980	22	14.280
12.060	23	14.360	West spot
12.140	24	14.440	East spot

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