SBS 5

Also called HGS 5

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General

Designation	19484 / 88081B
Launch date	8 Sep 1988
Country of origin	United States
Mission	Telecommunications
Geostationary orbit	123°W
Launch vehicle	Ariane V25

Should retire in 2000.

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End of life

Out of service	Mar 2000
Cause	retired, replaced by Galaxy 10R

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External resources

sat-index articles

Technical data

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EIRP coverage (dBW)

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Specifications

Prime contractor	Hughes
Platform	HS-376
Mass at launch	1241 kg
Mass in orbit	540 kg
Diameter	2.16 m
Height	2.82 m (6.6 m stowed)
Stabilization	Spin stabilized
DC power	1100 W
Design lifetime	10 years

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Ku-band

Main transponders	14
Backup transponders
Power	4 H transponders: variable 20-40 W (TWTA) 6 H transponders: 20 W (TWTA) 4 V transponders: variable 20-40 W (TWTA)
Bandwidth	H transponders: 43 MHz V transponders: 110 MHz
Coverage	CONUS
EIRP max	46 dBW
Polarization	linear H/V

SBS 5 might also have coverage for Hawaii and Alaska, but this is unconfirmed.

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Transponder frequency chart (GHz)

Horizontal Uplink	Horizontal Downlink	Transponder	Vertical Downlink	Vertical Uplink
	11.725	1		14.025
	11.780	2		14.080
	11.823	3		14.123
	11.872	4		14.172
	11.921	5		14.221
	11.970	6		14.270
	12.019	7		14.319
	12.068	8		14.368
	12.117	9		14.417
	12.166	10		14.466
14.048		11	11.748
14.198		12	11.898
14.294		13	11.994
14.441		14	12.141

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