Indian Remote Sensing Satellites

Platform	Lifetime (design)	Altitude	Equator Crossing	Adjacent Orbits	Repeat Coverage	Sensors
IRS-1A, 1B	1A: 1988-1995 1B: 1991-present (3 years)	904 km	10:30 a.m.	1 day	22 days	LISS-I LISS-II
IRS-1C, 1D	1995-present 1997-present (5 years)	817 km	10:30 a.m.	1 day	24 days 5 days 5 days	LISS-III PAN WiFS
RESOURCESAT-1	2003-present (5 years)	817 km	10:30 a.m.		5-24 days	LISS-IV LISS-III AWiFS

IRS Sensors

Sensor	Resolution (m)	Swath Width (km)	Sensor Channels	Spectral Bands (ľm)	Example
Linear Imaging Self-Scanning System I (LISS-I)	72	148	LISS-I-1 LISS-I-2 LISS-I-3 LISS-I-4	0.45-0.52 (blue) 0.52-0.59 (green) 0.62-0.68 (red) 0.77-0.86 (near IR)
Linear Imaging Self-Scanning System II (LISS-II)	36	74	LISS-II-1 LISS-II-2 LISS-II-3 LISS-II-4	0.45-0.52 (blue) 0.52-0.59 (green) 0.62-0.68 (red) 0.77-0.86 (near IR)
Linear Imaging Self-Scanning System III (LISS-III)	23 50	142 148	LISS-III-2 LISS-III-3 LISS-III-4 LISS-III-5	0.52-0.59 (green) 0.62-0.68 (red) 0.77-0.86 (near IR) 1.55-1.70 (mid-IR)	Southern Iran
Linear Imaging Self-Scanning System III (LISS-III)	6	70	PAN	0.5-0.75	Toronto, Ontario
High Resolution Linear Imaging Self-Scanning System IV (LISS-IV)	5.8	24 - 70	LISS-IV-2 LISS-IV-3 LISS-IV-4	0.52-0.59 (green) 0.62-0.68 (red) 0.77-0.86 (near IR)
Wide Field Sensor (WiFS)	188	774	WiFS-1 WiFS-2	0.62-0.68 (red) 0.77-0.86 (near IR)	Appalacian Mountains in Tennessee
Advanced Wide Field Sensor (AWiFS)	56-70	370-740	AWiFS-1 AWiFS-2 AWiFS-3 AWiFS-4	0.52-0.59 (green) 0.62-0.68 (red) 0.77-0.86 (near IR) 1.55-1.70 (mid-IR)