Panamsat 1

USA

Also called PAS 1

Launch data:

Designation	19217 / 88051C
Launch date	15 Jun 1988
Launch site	Ko, ELA-2
Launch vehicle	Ariane-44LP (V22)
Mission	Telecommunications
Geostationary orbit:
Location	45°W

Specifications

Prime contractor	GE Astro Space
Platform
Mass at launch	1220 kg
Mass in orbit	708 kg
Dimension	1.63 x 1.32 x 1.9 m
Stabilization	3-axis
DC power	BOL: 1400 W
Design lifetime	11 years

Panamsat 1 is in fact ASC 3, a backup satellite of the ASC program.

C-band

Main transponders	12+6
Backup transponders	2+1
Power	(12+2) transponders of 36 MHz : 8.5 W (SSPA) (6+1) transponders of 72 MHz: 16.2 W (TWTA)
Bandwidth	12 transponders of 36 MHz 6 transponders 72 MHz
Coverage and EIRP	to North America (7, 9, 11, 16 & 18): ? to Central America (8, 10, 12 & 13): 40 dBW to Latin America (1, 3, 5 & 15): 37 dBW to South America (2, 4, 6 & 14): 38 dBW
Polarization	to Latin and South America: linear V to Central and North America: linear H

Transponder frequency chart (GHz)

Horizontal Uplink	Horizontal Downlink	Transponder	Channel	Vertical Downlink	Vertical Uplink
5.945		1	1	3.720
	3.740	7	2		5.965
5.985		2	3	3.760
	3.780	8	4		6.005
6.025		3	5	3.800
	3.820	9	6		6.045
6.065		4	7	3.840
	3.860	10	8		6.085
6.105		5	9	3.880
	3.900	11	10		6.125
6.145		6	11	3.920
	3.940	12	12		6.165
6.185		13A	13	3.960
	3.980	16A	14		6.205
6.225		13B	15	4.000
	4.020	16B	16		6.245
6.265		14A	17	4.040
	4.060	17A	18		6.285
6.305		14B	19	4.080
	4.100	17B	20		6.325
6.345		16A	21	4.120
	4.140	18A	22		6.365
6.385		16B	23	4.160
	4.180	18B	24		6.405

Ku-band (11.5-11.75 GHz)

Main transponders	6
Backup transponders	1
Power	16.2 W (TWTA)
Bandwidth	72 MHz
Coverage and EIRP max	Europe (19, 20 & 21): 47 dBW North America (22, 23 & 24): 45 dBW
Polarization	linear H

Transponder frequency chart (GHz)

Horizontal Downlink	Transponder	Vertical Uplink
11.500	19	14.040
11.580	20	14.120
11.660	21	14.200
11.790	22	14.280
11.820	23	14.360
11.900	24	14.440

Ref: #15 - update: 22.07.04