I-K IAI Inter-American Institute for Global Change Reserch ID Identification IDF Intermediate Distribution Frame IDN International Directory Network IF Intermediate Frequency IFOV Instantaneous Field of View IFSAR Interferometric Synthetic Aperture Radar (=INSAR) IGAC International Global Atmospheric Chemistry(Project) IGBP International Geosphere-Biosphere Programme ILAS Improved Limb Atmospheric Spectrometer ILAS-II Improved Limb Atmospheric Spectrometer-II IMG Interferometric Monitor for Greenhouse Gases IMS Information Management System INPE Instituto National de Pesquisas Espaciais INSAR Interferometric Synthetic Aperture Radar (=IFSAR) INTELSAT International Telecommunications Satellite Organization IOCS Inter-Orbit Communication Subsystem IP Internet Protocol IPCC Intergovernmental Panel on Climate Change IR Infrared IRG Inter Record Gap IRIG Inter Range Instrumentation Group Standard IRS Information Retrieval Subsystem IRSA Institute of Remote Sensing Application ISDN Integrated Services Digital Network ISO International Organization for Standardization ISP Imaging Schedule Plan ISY International Space Year ITV Industrial Television JAFIC Japan Fisheries Information Center JAROS Japan Resources Observation System Organization JD Julian Day JEA Japan Environment Agency JEM Japan Experimental Module JIS Japan Industrial Standard JPEG Joint Photographic coding Experts Group JPL Jet Propulsion Laboratory JST Japan Standard Time JWA Japan Weather Association KRNS Kiruna MOS Receiving Station