LISS 3 Sensor
IRS (Indian Remote Sensing) LISS 3 full form is; Linear Imaging Self-Scanning Sensor 3.
Table of Contents
LISS-III Resolution
The LISS –III Sensor provides Multispectral data in 4 Bands. The Spatial Resolution for visible is 2 bands, and Near-Infrared 1 band is 23.5 meters with a ground swath of 141 kms. The short wave infrared band is the 4th band, has a spatial resolution of 70.5 meters with a ground swath of 148 kms. The repetitive of LISS–III is 24 days.
LISS-III Band Information
| Band | Wavelength (micrometers) |
|---|---|
| Blue | – |
| Green | 0.52 to 0.59 |
| Red | 0.62 to 0.68 |
| NIR | 0.77 to 0.86 |
| SWIR | 1.55 to 1.70 |
Resourcesat LISS-3 Sensor Specifications
ISRO Resourcesat-1 LISS-3
| IGFOV | 23.5 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 Saturation | B2 27.8 radiance B3 28.4 (mw/cm2/sr/micron) B4 32.0 B5 7.64 |
| Swath (Km) | 141 |
| Integration Time | 3.32 m.sec |
| Quantization | 7 bits (SWIR band has 10 bit quantitation, selected 7 bits out of 10 bits will be transmitted by the data handling system) |
| No. of gains | 4 (for visible and NIR bands) |
[IGFOV– Instantaneous Geometric Field of View]
ISRO Resourcesat-2 LISS-3
| IGFOV | 23.5 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 Saturation | B2 53 radiance B3 47 (mw/cm2/sr/micron) B4 31.5 B5 7.5 |
| Swath (Km) | 141 |
| Integration Time | 3.32 m.sec |
| Quantization | 10 bits |
| No. of gains | single |
LISS 3 Data Download
(Follow the process How to Download Data step by step)
Difference between AWiFS and LISS-3 Sensor
| Sensor | AWiFS | LISS-3 |
| Number of Bands | 4 | 4 |
| 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) | 56 | 24 |
| Swath (km) | 740 | 140 |
| Revisit Period (days) | 5 | 24 |