# LISS-III (Resourcesat)
*sensor . products*

Four-band passive optical multispectral imager flown on Resourcesat missions for land and vegetation observation.

## Specifications
- **product status**: operational
- **deployment context**: orbital
- **manufacturer**: isro
- **sensor**: {"instrument_family":"passive-optical","measurement_principle":"passive","spectral_range_nm":{"min":520,"max":1750},"spectral_band_count":4,"gsd_m":{"native":23.5},"swath_km":141,"bit_depth":10,"bands":[{"name":"Green","centre_nm":555,"fwhm_nm":70},{"name":"Red","centre_nm":650,"fwhm_nm":60},{"name":"NIR","centre_nm":815,"fwhm_nm":90},{"name":"SWIR","centre_nm":1625,"fwhm_nm":200}]}
- **entity type**: sensor
- **last verified date**: 2026-06-15
- **verified by**: agency-doc
- **claim status**: agency-sourced
- **provider**: isro
- **attributes**: {"kind":"sensor","product_status":"operational","deployment_context":"orbital","manufacturer":"isro","description":"Four-band passive optical multispectral imager flown on Resourcesat missions for land and vegetation observation.","sensor":"{\"instrument_family\":\"passive-optical\",\"measurement_principle\":\"passive\",\"spectral_range_nm\":{\"min\":520,\"max\":1750},\"spectral_band_count\":4,\"gsd_m\":{\"native\":23.5},\"swath_km\":141,\"bit_depth\":10,\"bands\":[{\"name\":\"Green\",\"centre_nm\":555,\"fwhm_nm\":70},{\"name\":\"Red\",\"centre_nm\":650,\"fwhm_nm\":60},{\"name\":\"NIR\",\"centre_nm\":815,\"fwhm_nm\":90},{\"name\":\"SWIR\",\"centre_nm\":1625,\"fwhm_nm\":200}]}"}
- **relevance**: in-scope

## Editorial
LISS-III (Linear Imaging Self-Scanning Sensor 3) is a four-band passive optical multispectral imager developed by ISRO for the Resourcesat series of land observation satellites.[^isro-resourcesat-2][^wmo-liss-iii] It provides medium-resolution imagery suited to regional land cover mapping, vegetation monitoring, and agricultural assessment.

The instrument records Green (555 nm), Red (650 nm), Near-Infrared (815 nm), and Shortwave Infrared (1625 nm) bands at 23.5 m spatial resolution with a 141 km swath, capturing scenes at 10-bit radiometric depth.[^wmo-liss-iii][^isro-resourcesat-2] WMO OSCAR records the swath as 141 km; eoPortal documentation for Resourcesat-2 cites 140 km for the same configuration.[^wmo-liss-iii][^eoportal-resourcesat-2]

LISS-III flies on Resourcesat-2 and Resourcesat-2A alongside the higher-resolution LISS-IV and the wider-swath AWiFS instruments, providing a middle-resolution tier within the three-sensor Resourcesat imaging complement.[^isro-resourcesat-2][^eoportal-resourcesat-2] Its four-band spectral coverage, including the SWIR channel, supports vegetation index computation, land use change detection, agricultural crop monitoring, and burned area assessments.[^eoportal-resourcesat-2]

## Compositional position
- resourcesat-2 (missions) --[mission_payloads]--> LISS-III (Resourcesat)
- resourcesat-2a (missions) --[mission_payloads]--> LISS-III (Resourcesat)

## Sources
- [wmo-liss-iii] | LISS-3 (ResourceSat) - WMO OSCAR instrument record | https://space.oscar.wmo.int/instruments/view/liss_3_resourcesat | tier=agency-doc | accessed=2026-06-15
- [isro-resourcesat-2] | RESOURCESAT-2 - ISRO | https://www.isro.gov.in/RESOURCESAT_2.html | tier=agency-doc | accessed=2026-06-15
- [eoportal-resourcesat-2] | Resourcesat-2 mission - eoPortal | https://eoportal.org/web/eoportal/satellite-missions/r/resourcesat-2 | tier=community | accessed=2026-06-15

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Source: https://eo-atlas.org/products/sensor/liss-iii
Maintainer: SpectraWorks B.V. (CC-BY 4.0)