Insat-2 C

India

International Sat. n°:

Indian satellite n°: 23

Launch data:

Designation:	23731 / 95067B
Launch date	06 Dec 1995 - 23:23:16 UT
Launch site:	Ko, ELA-2
Launch vehicle:	Ariane-44L (V-81)
Mission:	Communications
Geostationary orbit on:
Perigee / Apogee	km
Eccentricity
Inclination	deg
Period	min
Location	93.5°E

Unlike other satellites of the program, Insat 2C is totally devoted to telecommunications and doesn't have any meteorology payload.

Tested at 92.5°E

Specifications

Prime contractor	ISRO/ISAC
Platform	INSAT2
Mass at launch	2020 kg
Mass in orbit	980 kg ?
Dimension	1.93 x 1.64 x 1.7 m
Solar array	asymmetric pannel
Stabilization	3-axis
DC power	BOL: 1600 W
Design lifetime	10 years

Credit: ISRO

The internal LAM (Liquid Apogee Motor) was built by ISRO with its Indian industrial partners.

The satellite will have a meteorology payload made of a VHRR with an additional water vapour channel and a 1-km resolution, 3-visible-channel CCD camera.

S-band (2.6/5.9 GHz)

Main transponders	3
Backup transponders
Power	50 W (TWTA)
Bandwidth	36 MHz
Coverage	India
EIRP max	42 dBW
Polarization	LHCP

Aimed at mobile communications

C-band

Main transponders	17 + 6 (extended C-band)
Backup transponders
Power	4.5 W
Bandwidth	36 MHz
Coverage	between the Middle East and southeast Asia
EIRP max	standard: 32 dBW 2 extended transponders: 34 dBW
Polarization	H/V linear

Aimed at TV broadcasting

>Ku-band

Main transponders	3
Backup transponders
Power
Bandwidth
Coverage
EIRP max
Polarization

Aimed at business communications among India's frou major cities (Delhi, Bombay, Calcutta and Madras)

Ref: #7, #120 - update: 22.02.07