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Wide field sensor

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  • 1. Sensors and Their SpecificationsWide Field Sensor IRS-1C, IRS-1D, IRS-P3, which are all second generation Indian remote sensing satellites,carried the WIFS sensor. The WIFS camera uses an 8 element refractive optics like in LISS-III. Two such cameras are mounted with overlapping pixels of imaging. WIFS data was used in assesment of rabi cropped area, crop inventory, observation of crop phenology etc. Band Wavelength Resolution Swath Revisit time (µm) (m) Width (days) (km) Band 1 (VIS) 0.62 to 0.68 188 774 5 Band 2 (NIR) 0.77 to 0.86 188 774 5 Band 3 1.55 to 1.75 188 804 5 (SWIR)S K Diwakar