AWIFS Sensor

IRS (Indian Remote Sensing) AWIFS full form is; Advanced Wide Field Sensor.

Resolution

The AWIFS Sensor provides Multispectral data in 4 Bands. The Spatial Resolution(56 m vs 188 m), Spectral Bands (10 bits vs 7 bits) and Rediometrric Resolution (4 vs 2). The ground swath of 740 kms (combined) and 370 kms (each head).

Band Information

BandWavelength
(micrometres)
Blue
Green0.52 to 0.59
Red0.62 to 0.68
NIR0.77 to 0.86
SWIR1.55 to 1.70

Resourcesat AWIFS Sensor Specifications

IGFOV56 m
Spectral Bands (Microns)B2 0.52 – 0.59
B3 0.62 – 0.68
B4 0.77 – 0.86
B5 1.55 – 1.70
Average SaturationB2 53 radiance
B3 47 (mw/cm2/sr/micron)
B4 31.5
B5 4.64
Swath (Km)740 (combined)
370 (each head)
Integration Time9.96 m.sec
Quantization10 bits
No. of gains16

[IGFOV– Instantaneous Geometric Field of View]

AWIFS Data Download

Download LISS 3 Satellite Data from Bhuvan (NRSC)-

(Follow the process How to Download Data step by step)

AWIFS Bands Data
AWIFS Bands Data
AWIFS Satellite Image
AWIFS Satellite Image

Difference of AWiFS and LISS-3 Sensor

SensorAWiFSLISS-3
Number of Bands44
Spectral Band 2 (µ)0.52 – 0.59 (green)0.52 – 0.59 (green)
Spectral Band 3 (µ)0.62 – 0.68 (red)0.62 – 0.68 (red)
Spectral Band 4 (µ)0.77 – 0.86 (NIR)0.77 – 0.86 (NIR)
Spectral Band 5 (µ)1.55 – 1.70 (SWIR)1.55 – 1.70 (SWIR)
Resolution (m)5624
Swath (km)740140
Revisit Period (days)524

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