| ACRONYM |
DESCRIPTION |
| I |
ELECTRIC CURRENT/INERTIA |
| I & C |
INSTALLATION & CHECKOUT |
| I & T |
INTEGRATION AND TEST |
| I/F |
INTERFACE |
| I/O |
INPUT/OUTPUT |
| I/S |
IMAGER/SOUNDER |
| IA |
INTERAGENCY AGREEMENT |
| IAB |
INVENTORY AND ARCHIVES BRANCH (NESDIS/NODC, WASHINGTON, DC) |
| IAC |
INDEPENDENT ASSURANCE AGENCY |
| IACO |
INTEGRATION ASSEMBLY & CHECKOUT |
| IACP |
INTERNATIONAL AEROSOL CLIMATOLOGY PROJECT |
| IAG |
INTERNATIONAL ASSOCIATION OF GEODESY (IUGG) |
| IAGA |
INTERNATIONAL ASSOCIATION OF GEOMAGNETISM AND AERONOMY (IUGG) |
| IAMAP |
INTERNATIONAL ASSOCIATION OF METEOROLOGY AND ATMOSPHERIC PHYSICS |
| IAPSO |
INTERNATIONAL ASSOCIATION FOR THE PHYSICAL SCIENCES OF THE OCEAN |
| IAR |
INDEPENDENT ANNUAL REVIEW |
| IAS |
INVENTORY ARCHIVE SYSTEM |
| IATO |
INDEPENDENT ACCEPTANCE TEST ORGANIZATION |
| IAU |
INTERNATIONAL ASTRONOMICAL UNION |
| IAW |
IN ACCORDANCE WITH |
| IBL |
INTER-BUS LINK |
| IBSE |
INITIAL BLOOD STORAGE EQUIPMENT (NASA/CHANGES IN BLOOD TISSUE) |
| IBSS |
INFRARED BACKGROUND SIGNATURE SURVEY (NASA/SHUTTLE PAYLOAD RELATED) |
| IC |
INTEGRATED CIRCUIT |
| ICA |
ISCCP CENTRAL ARCHIVE |
| ICAO |
INTERNATIONAL CIVIL AVIATION ORGANIZATION |
| ICBC |
IMAX CARGO BAY CAMERA (NASA) |
| ICC |
INTERIM CONTROL CENTER (NASA-MSOCC0) |
| ICC |
INSTRUMENT CONTROL CENTER |
| ICD |
INTERFACE CONTROL DOCUMENT/DRAWING |
| ICE |
INTERNATIONAL COMETARY EXPLORER |
| ICES |
INTERNATIONAL COUNCIL FOR EXPLORATION OF THE SEAS |
| ICEX |
ICE AND CLIMATE EXPERIMENT |
| ICF |
INSTRUMENT CONTROL FACILITY |
| ICL |
INTER-UNION COMMISSION ON THE LITHOSPHERE (ICSU) |
| ICM |
INCREMENT CHANGE MANAGER |
| ICMSSR |
INTERDEPT. COMMITTEE FOR METEOROLOG. SERVICES & SUPPORTING RESEARCH |
| ICN |
INTERNATIONAL COMMUNICATIONS NETWORK |
| ICNP |
INTERFACE CHANGE NOTICE PROPOSAL |
| ICR |
INSTRUMENT CONCEPT REVIEW |
| ICSU |
INTERNATIONAL COUNCIL OF SCIENTIFIC UNIONS |
| ICWG |
INTERNATIONAL COORDINATION WORKING GROUP |
| ID |
IDENTIFICATION |
| ID |
INSIDE DIAMETER |
| IDA |
INSTITUTE FOR DEFENSE ANALYSES |
| IDCPS |
INTERNATIONAL DCP SYSTEM |
| IDD |
INSTRUMENT DESIGN DOCUMENT |
| IDD |
INTERFACE DEFINITION DOCUMENT |
| IDL |
INDENTURED LIST |
| IDL |
INTERACTIVE DATA LANGUAGE |
| IDM |
INFORMATION AND DATA MANAGEMENT |
| IDM |
ION DRIFT METER |
| IDMS |
INFORMATION AND DATA MANAGEMENT SYSTEM |
| IDPGF |
INSTITUTIONAL DATA PRODUCTS GENERATION FACILITY |
| IDS |
INTER-DISCIPLINARY SCIENCE |
| IDT |
INDENTURED DOCUMENT TREE |
| IDUC |
INTERACTIVE DATA UTILIZATION CENTER |
| IEAC |
INDEPENDENT ESTIMATE AT COMPLETION |
| IECM |
INDUCED ENVIRONMENT CONTAMINATION MONITOR (NASA/SHUTTLE STUDY) |
| IEEE |
INSTITUTE OF ELECTRICAL AND ELECTRONIC ENGINEERS |
| IEF |
ISOELECTRIC FOCUSSING |
| IEH |
INTERNATIONAL EXTREME-UV/FAR-UV HITCHHIKER (NASA/HH) |
| IEP |
INTEGRATED EXECUTION PLAN |
| IERS |
INTERNATIONAL EARTH ROTATION SERVICE |
| IF |
INTERMEDIATE FREQUENCY |
| IFB |
INVITATION FOR BIDS |
| IFC |
IN-FLIGHT CALIBRATION SYSTEM |
| IFD |
IN-FLIGHT DISCONNECT |
| IFE |
ISOELECTRIC FOCUSSING EXPERIMENT (NASA/ELECTRO-OSMOSIS IN SPACE) |
| IFEOS |
INTERNATIONAL FORUM ON EARTH OBSERVATIONS USING SPACE-STATION ELEM. |
| IFFA |
INTERACTIVE FLASH FLOOD ANALYZER (NOAA/NESDIS/WWB) |
| IFOV |
INSTANTANEOUS FIELD-OF-VIEW |
| IFPD |
IF PRESENCE DETECTOR (CDA) |
| IFREMER |
INSTITUT FRANCAIS DE RECHERCHE POUR L'EXPLOITATION DE LA MER |
| IFWG |
INTERFACE WORKING GROUP |
| IG |
IGLOO |
| IGBP |
INTERNATIONAL GEOSPHERE-BIOSPHERE PROGRAM/PROGRAMME (ICSU) |
| IGDR |
INTERIM GEOPHYSICAL DATA RECORD |
| IGE |
INTERNATIONAL GROUND EQUIPMENT |
| IGES |
INITIAL GRAPHIC EXCHANGE SPECIFICATION |
| IGFOV |
INSTANTANEOUS GEOMETRIC FIELD-OF-VIEW |
| IGOSS |
INTERNATIONAL GLOBAL OCEAN SERVICE SYSTEM |
| IGS |
INERTIAL GUIDANCE SYSTEM |
| IGSE |
INSTRUMENT GROUND SUPPORT EQUIPMENT |
| IGY |
INTERNATIONAL GEOPHYSICAL YEAR (1957-58) |
| IH/SR |
INTEGRATED HARDWARE/SOFTWARE REVIEW |
| IHS |
INTENSITY HUE SATURATION |
| II |
INTERDISCIPLINARY INVESTIGATOR |
| IIAS |
INTERACTIVE IMAGE ANALYSIS SYSTEM (ASF) |
| IICF |
INSTRUMENT INVESTIGATOR COMPUTING FACILITY |
| IIDM |
ION DRIFT METER |
| IIs |
INTER-DISCIPLINARY INVESTIGATORS |
| IIS |
INTEGRATED INFORMATION SYSTEM |
| IIST |
INITIAL INTEGRATED SYSTEM TEST |
| IIVV |
INDEPENDENT INTEGRATION, VERIFICATION AND VALIDATION |
| IJPS |
INTERIM JOINT POLAR SYSTEM |
| IJWG |
INTERAGENCY JOINT WORKING GROUP |
| ILP |
INTERIM LOAD PACKAGE |
| ILP |
INTERNATIONAL LITHOSPHERE PROGRAMME |
| ILP |
INTEGRATED LOGISTICS PLAN |
| ILS |
INTEGRATED LOGISTICS SUPPORT/SYSTEM |
| ILSA |
INDUSTRY LARGE STRUCTURES ASSEMBLY |
| ILSC |
INDUSTRY LAUNCH SERVICES (CRYOGENIC) |
| ILSMT |
INTEGRATED LOGISTICS SUPPORT MANAGEMENT TEAM |
| ILSP |
INTEGRATED LOGISTICS SUPPORT PLAN |
| ILSS |
INDUSTRY LAUNCH SERVICES (STORABLE) |
| ILSS |
INTEGRATED LOGISTICS SUPPORT SYSTEM |
| ILSWD |
INTEGRATED LOGISTICS SUPPORT WORKING DATABASE |
| ILSWG |
INTEGRATED LOGISTICS SUPPORT WORKING GROUP |
| IMA |
INJECTION MOTOR ASSEMBLY |
| IMAFS |
INTERACTIVE MARINE ANALYSIS AND FORECAST SYSTEM |
| IMAX |
IMAX, INC. OF TORONTO THAT PRODUCES HIGH QUALITY MOTION PICTURES |
| IMC |
IMAGE MOTION COMPENSATION |
| IMC |
INTERMODULE CONNECTOR |
| IMD |
INTERNATIONAL MARITIME ORGANIZATION |
| IML |
INTERNATIONAL MICROGRAVITY LABORATORY (NASA/MATERIAL & LIFE SCIENC) |
| IMM |
INTEGRATED MEMORY MODULES |
| IMO |
INTERNATIONAL MARITIME ORGANIZATION |
| IMOC |
INTERNATIONAL MISSIONS OPERATIONS CENTER |
| IMP |
INSTRUMENT MOUNTING PLATFORM |
| IMS |
INSTITUTIONAL MANAGEMENT SUPPORT/SYSTEM |
| IMS |
INFORMATION MANAGEMENT SYSTEM/SERVICE |
| IMU |
INERTIAL MEASUREMENT UNIT |
| in |
INCH(ES) |
| in3 |
CUBIC INCH(ES) |
| INC |
INCLINATION (OF AN ORBIT) |
| INCL |
INCLINATION (ORBIT INCLINATION IN DEGREES) |
| INMARSAT |
INTERNATIONAL MARITIME SATELLITE ORGANIZATION (PAM-DII COMMUNICAT.) |
| INMARSAT |
INTERNATIONAL MARITIME SATELLITE (-01 LAUNCH) |
| INR |
IMAGE NAVIGATION AND REGISTRATION |
| INRA |
INSTITUT NATIONAL DE LA RECHERCHE AGRONOMIQUE |
| INS |
INERTIAL NAVIGATION SYSTEM |
| INSAT |
INDIAN NATIONAL SATELLITE (INDIA/COMMUNICATIONS FOR ITSO) |
| INST |
INSTRUMENT |
| INSTL |
INSTALLATION |
| IOC |
INITIAL ORBITING/ORBITAL CONFIGURATION |
| IOC |
INTERGOVERNMENTAL OCEANOGRAPHIC COMMISSION (UNESCO) |
| IOC |
INITIAL OPERATIONAL CAPABILITY |
| IOCL |
I/O CONTROL LIST |
| IOP |
INPUT/OUTPUT PROCESSOR |
| IOP |
INTENSIVE OBSERVATION PERIOD |
| IORD |
INTEGRATED OPERATIONAL REQUIREMENTS DOCUMENT |
| IOS |
INDIAN OCEAN STATION (USAF) |
| IP |
IMAGE PROCESSOR |
| IP |
INTERNET PROTOCOL |
| IP |
INTERNATIONAL PARTNER |
| IPAR |
INTERCEPTED PHOTOSYNTHETICALLY ACTIVE RADIATION |
| IPB |
INTERACTIVE PROCESSING BRANCH (NESDIS-CAMP SPRINGS, MD) |
| IPB |
INTERNATIONAL PROGRAMS BRANCH (NESDIS/NODC, WASHINGTON, DC) |
| IPCC |
INTERGOVERNMENTAL PANEL ON CLIMATE CHANGE |
| IPCE |
INTERFACE POWER CONTROL ELECTRONICS |
| IPCE |
INTERFACE POWER AND CONTROL EQUIPMENT |
| IPD |
INSTITUTIONAL PROCUREMENT DIVISION |
| IPD |
IF PRESENCE DETECTOR (CDA) |
| IPD |
INFORMATION PROCESSING DIVISION |
| IPEI |
IONOSPHERIC PLASMA AND ELECTRODYNAMICS INSTRUMENT |
| IPF |
INTERNATIONAL PARTNER/PROCESSING FACILITY |
| IPFC |
INITIAL POWER AND FUNCTIONAL CHECK |
| IPGE |
INTERNATIONAL PARTNERS GROUND EQUIPMENT |
| IPI |
INTERNATIONAL PARTNER INTERFACE |
| IPL |
INDENTURED PARTS LIST |
| IPM |
INTER-PROCESSOR MULTIPLEXER |
| IPM |
INTERNAL PROPULSION MODULE |
| IPO |
INTEGRATED PROGRAM OFFICE |
| IPOC |
INTERNATIONAL PARTNERS OPERATIONS CENTER |
| IPOMS |
INTERNATIONAL POLAR-ORBITING METEOROLOGICAL SATELLITES GROUP |
| IPS |
INFORMATION PROCESSING SYSTEM |
| IPS |
INSTRUMENT POINTING SYSTEM |
| IPS |
INCHES PER SECOND |
| IPS |
INTEGRATED PROPULSION SYSTEM |
| IPSM |
IMPROVED PERFORMANCE SPACE MOTOR |
| IR |
INFRARED RADIATION |
| IR & D |
INDEPENDENT/INTERNAL RESEARCH AND DEVELOPMENT |
| IRA |
INERTIAL REFERENCE NIT |
| IRAS |
INFRARED ASTRONOMICAL SATELLITE |
| IRCFE |
INFRARED COMMUNICATIONS FLIGHT EXPERIMENT (NASA/STS CREW COMM.) |
| IRD |
INTERFACE REQUIREMENTS DOCUMENT |
| IRE |
INSTITUTE FOR RADIO-ENGINEERING AND ELECTRONICS |
| IRI |
INTERAGENCY RESEARCH INTERNET |
| IR-IE |
INFRARED IMAGING EQUIPMENT (NASA/VIDEO CAMERA TO MEASURE TEMP.) |
| IRIG |
INTERRANGE INSTRUMENTATION GROUP |
| IRIG-B |
INTER-RANGE INSTRUMENTATION GROUP SUBCARRIER CHANNEL-B |
| IRIS |
ITALIAN RESEARCH INTERIM STAGE (ITALIAN UPPER STAGE FOR SHUTTLE) |
| IRIS |
INFRARED INTERFEROMETER SPECTROMETER |
| IRIS |
INCORPORATED RESEARCH INSTITUTE FOR SEISMOLOGY |
| IRLS |
INTERROGATION, RECORDING, AND LOCATION SYSTEM (NASA/NIMBUS) |
| IRR |
INTERFACE REQUIREMENTS REVIEW |
| IRS |
INTERFACE REQUIREMENTS SPECIFICATION |
| IRS A |
INDIAN REMOTE-SENSING SATELLITE (FIRST SATELLITE) |
| IRT |
INTEGRATED-RENDEZVOUS RADAR TARGET (NASA/SHUTTLE RENDEZVOUS INST) |
| IRTS |
INFRARED TEMPERATURE SOUNDER |
| IRU |
IVA REPLACEMENT UNIT |
| IRU |
INERTIAL REFERENCE UNIT |
| IRVA |
IMAGE RECTIFYING VIDEO ANALYZER |
| IS |
INTERFACE SPECIFICATION |
| Is |
SIGNAL CURRENT |
| IS |
IMAGING SPECTROMETER |
| ISA |
INTERIM SYSTEM REVIEW |
| ISA |
INERTIAL SENSOR ASSEMBLIES |
| ISAGE |
IMAGE AND SOUNDER ANALYSIS GROUND EQUIPMENT |
| ISAGE |
IMAGER/SOUNDER ANALYSIS GROUND-SUPPORT EQUIPMENT |
| ISAMS |
IMPROVED STRATOSPHERIC AND MESOSPHERIC SOUNDER |
| ISAS |
INSTITUTE OF SPACE AND ASTRONAUTICAL SCIENCE (JAPAN) |
| ISB |
INGEST SYSTEMS BRANCH (NESDIS, SUITLAND, MD) |
| ISCCP |
INTERNATIONAL SATELLITE CLOUD CLIMATOLOGY PROJECT |
| ISD |
INFORMATION SERVICES DIVISION |
| ISDS |
INADVERTENT SEPARATION DESTRUCT SYSTEM |
| ISEE |
INTERNATIONAL SUN/EARTH EXPLORER |
| ISF |
INDUSTRIAL SPACE FACILITY (NASA/COMMERCIALLY-OWNED, MAN-TENDED) |
| ISG |
INFORMATION SYSTEMS GROUP |
| ISLSCP |
INTERNATIONAL SATELLITE LAND-SURFACE CLIMATOLOGY PROJECT |
| ISMRM |
INTEGRATED SOIL MOISTURE RETRIEVAL MODELS |
| ISO |
INTERNATIONAL STANDARDS ORGANIZATION |
| ISOC |
INTEGRATED SCIENCE OPERATIONS CENTER |
| ISPM |
INTERNATIONAL SOLAR POLAR MISSION (NOW ULYSSES) |
| ISR |
INTERIM SYSTEM REVIEW |
| ISS |
INTEGRATION SPACECRAFT SYSTEM |
| ISSF |
INDUSTRY SATELLITE SERVICES FACILITY |
| IST |
INSTRUMENT SUPPORT TERMINAL |
| ISTC |
INTEGRATED SYSTEM TEST COMPLEX |
| ISTIP |
INFORMATION SYSTEMS TECHNICAL INTEGRATION PANEL |
| ISTO |
INTERNATIONAL TELECOMMUNICATIONS SATELLITE ORGANIZATION |
| ISTP |
INTERNATIONAL SOLAR TERRESTRIAL PHYSICS |
| ISY |
INTERNATIONAL SPACE YEAR (1992) |
| IT & V |
INTEGRATION TEST & VERIFICATION |
| ITAR |
INTERNATIONAL TRAFFIC IN ARMS REGULATIONS |
| ITCWG |
INTERAGENCY TRAINING COORDINATION WORKING GROUP |
| ITCZ |
INTERTROPICAL CONVERGENCE ZONE |
| ITIP |
INTERNATIONAL TECHNICAL INTEGRATION PANEL |
| ITIR |
IMAGING THERMAL INFRARED |
| ITIR |
INTERMEDIATE THERMAL INFRARED RADIOMETER |
| ITOS |
IMPROVED TIROS OPERATIONAL SATELLITE (OLD NOAA SERIES) |
| ITPR |
INFRARED TEMPERATURE PROFILE RADIOMETER |
| ITT |
INTERNATIONAL TELEPHONE AND TELEGRAPH, OPTICAL DIVISION |
| ITT |
INVITATION TO TENDER |
| ITU |
INTERNATIONAL TELECOMMUNICATIONS UNION |
| ITU |
INPUT TERMINAL UNIT |
| ITV |
INSTRUMENTED TEST VEHICLE (AF/TARGET FOR ANTI-SATELLITE) |
| ITVF |
INTEGRATED TEST & VERIFICATION FACILITY |
| IU |
INTERFACE UNIT |
| IUGG |
INTERNATIONAL UNION OF GEODESY AND GEOPHYSICS (ICSU) |
| IUS |
INTERIM/INERTIAL UPPER STAGE (NASA, FREQUENTLY FOLLOWED BY A NO.) |
| IV |
INTRAVEHICULAR |
| IV & V |
INDEPENDENT VERIFICATION AND VALIDATION |
| IVA |
INTRAVEHICULAR ACTIVITY |
| IVT |
INTERFACE VERIFICATION TEST |
| IWG |
INVESTIGATORS WORKING GROUP/INTEGRATION WORKING GROUP |
| IWGDMGC |
INTERAGENCY WORKING GROUP ON DATA MANAGEMENT FOR GLOBAL CHANGE |
| IWGMFS |
INTERNATIONAL WORKING GROUP ON MAGNETIC FIELD SATELLITES |
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