1 10 BNSC Radiometer AATSR Advanced along track scanning radiometer Operational 2 11 BNSC Radiometer ATSR Along track scanning radiometer Operational 3 12 BNSC Radiometer ATSR-2 Along track scanning radiometer-2 Operational 4 13 BNSC Radiometer MWR Microwave radiometer Operational 5 30 CNES Communications ARGOS Operational 6 40 CNES Lidar Laser reflectors Operational 7 41 CNES Lidar DORIS Doppler orbitography and radio-positioning integrated by satellite Operational 8 42 CNES Lidar DORIS-NG Doppler orbitography and radio-positioning integrated by satellite-NG Operational 9 47 CNES Radar altimeter POSEIDON-1 (SSALT1) Positioning ocean, solid Earth, ice dynamics orbiting navigator (single frequency solid state radar altimeter) Operational 10 48 CNES Radar altimeter POSEIDON-2 (SSALT2) Positioning ocean, solid Earth, ice dynamics orbiting navigator (double frequency solid state radar altimeter) Operational 11 49 CNES Radar altimeter POSEIDON-3 (SSALT3) Positioning ocean, solid Earth, ice dynamics orbiting navigator (double frequency solid state radar altimeter) Operational 12 50 CNES Imaging radiometer ATSR/M ATSR/M Operational 13 51 CNES High-resolution optical imager HRG Operational 14 52 CNES Radiometer HRV High-resolution visible Operational 15 53 CNES Radiometer HRVIR High-resolution visible and infrared Operational 16 54 CNES Radiometer ScaRaB/MV2 Scanner for Earth's radiation budget Operational 17 55 CNES Radiometer POLDER POLDER Operational 18 56 CNES Imaging multi-spectral radiometer IIR Imaging Infrared Radiometer Operational 19 60 CNES Spectrometer VEGETATION VEGETATION Operational 20 61 CNES Spectrometer WINDII WINDII Operational 21 62 CNES Altimeter AltiKa Ka band Radar Altimeter Operational 22 80 CSA Communications RADARSAT DTT Operational 23 81 CSA Communications RADARSAT TTC Operational 24 85 CSA Radar SAR (CSA) Synthetic aperture radar (CSA) Operational 25 90 CSA Radiometer MOPITT Measurements of pollution in the troposphere Operational 26 91 CSA Atmospheric chemistry instrument OSIRIS Optical spectrograph and Infrared imaging system Operational 27 97 CSIRO Radiometer Panchromatic imager Operational 28 98 CRCSS Atmospheric temperature and humidity sounder GPS receiver Operational 29 102 DLR Radiometer CHAMP GPS sounder GPS turborogue space receiver (TRSR) Operational 30 103 DLR Radiometer IGOR Integrated GPS and Occultation Receiver Operational 31 116 DLR Magnetometer CHAMP gravity package (Accelerometer+GPS) STAR accelerometer Operational 32 117 DLR Magnetometer CHAMP magnetometry package (1 scalar+2 vector magnetometer) Overhauser magnetometer (OVM) and fluxgate magnetometer (FGM) Operational 33 120 ESA Communications ENVISAT Comms Communications package on ENVISAT Operational 34 121 ESA Communications ERS Comms Communication package for ERS Operational 35 130 ESA Lidar ALADIN Atmospheric laser Doppler instrument Operational 36 131 ESA Lidar ATLID Atmospheric lidar Operational 37 140 ESA Radar AMI/SAR/image Active microwave instrumentation image mode Operational 38 141 ESA Radar AMI/SAR/wave Active microwave instrumentation wave mode Operational 39 142 ESA Radar AMI/scatterometer Active microwave instrumentation wind mode Operational 40 143 ESA Radar ASAR ASAR Operational 41 144 ESA Imaging microwave ASAR Advanced synthetic aperture radar (image mode) Operational 42 145 ESA Imaging microwave ASAR Advanced synthetic aperture radar (wave mode) Operational 43 146 ESA Cloud profile and rain radar CPR Cloud radar Operational 44 147 ESA Radar RA-2/MWR Radar altimeter-2 Operational 45 148 ESA Radar RA/MWR Radar altimeter Operational 46 150 ESA Scatterometer SCATTEROMETER Scatterometer Operational 47 161 ESA Radiometer MIPAS Michelson interferometric passive atmosphere sounder Operational 48 162 ESA Imaging multi-spectral radiometer (passive microwave) MWR-2 Microwave radiometer-2 Operational 49 163 ESA Atmospheric chemistry instrument SOPRANO Sub-milimetre observation of processes in the absorption noteworthy for ozone Operational 50 170 ESA Atmospheric chemistry instrument GOME Global ozone monitoring experiment Operational 51 172 ESA Spectrometer GOMOS Global ozone monitoring by occultation of stars Operational 52 174 ESA Spectrometer MERIS Medium-resolution imaging spectrometer Operational 53 175 ESA Spectrometer SCIAMACHY Scanning imaging absorption spectrometer for atmospheric cartography Operational 54 176 ESA Radiometer MIRAS Microwave imaging radiometer using aperture synthesis Operational 55 177 ESA Radar Altimeter SIRAL SAR/Interferometric Radar Altimeter Operational 56 178 ESA Radar altimeter SRAL Synthetic aperture radar altimeter Operational 57 179 ESA Moderate resolution optical imager OLCI Ocean and land colour imager Operational 58 180 ESA Moderate resolution optical imager SLSTR Sea and land surface temperature radiometer Operational 59 181 EUMETSAT Communications METEOSAT Comms Communications package for METEOSAT Operational 60 182 EUMETSAT Communications MSG Comms Communications package for MSG Operational 61 190 ESA/EUMETSAT Scatterometer ASCAT Advanced scatterometer Operational 62 200 EUMETSAT Radiometer GERB Geostationary Earth radiation budget Operational 63 202 ESA/EUMETSAT Radiometer GRAS GNSS receiver for atmospheric sounding Operational 64 203 EUMETSAT Radiometer MHS Microwave humidity sounder Operational 65 205 EUMETSAT Radiometer MVIRI METEOSAT visible and infrared imager Operational 66 207 EUMETSAT Radiometer SEVIRI Spinning enhanced visible and infrared imager Operational 67 208 EUMETSAT Imaging multi-spectral radiometer (vis/IR) VIRI VIRI Operational 68 220 ESA/EUMETSAT Spectrometer GOME-2 Global ozone monitoring experiment-2 Operational 69 221 CNES/EUMETSAT Atmospheric temperature and humidity sounder IASI Infrared atmospheric sounding interferometer Operational 70 240 CAST Communications DCP Data-collection platform transponder Operational 71 245 CAST Radiometer CCD High-resolution CCD camera Operational 72 246 INPE Atmospheric temperature and humidity sounder HSB Humidity sounder/Brazil Operational 73 248 INPE Imaging multi-spectral radiometer (vis/IR) OBA Observador Brasileiro da Amazonia Operational 74 250 CAST Radiometer WFI Wide field imager Operational 75 255 CAST Spectrometer IRMSS Infrared multispectral scanner Operational 76 260 ISRO Precision orbit BSS & FSS transponders Operational 77 261 ISRO Precision orbit DRT-S&R Operational 78 262 ISRO Communications INSAT Comms Communications package for INSAT Operational 79 268 ISRO High-resolution optical imager HR-PAN High-resolution panchromatic camera Operational 80 269 ISRO Imaging multi-spectral radiometer (passive microwave) MSMR Multifrequency scanning microwave radiometer Operational 81 270 ISRO Imaging multi-spectral radiometer (vis/IR) VHRR Very high-resolution radiometer Operational 82 271 ISRO Imaging multi-spectral radiometer (vis/IR) WiFS Wide field sensor Operational 83 275 ISRO High-resolution optical imager AWiFS Advanced wide field sensor Operational 84 276 ISRO High-resolution optical imager LISS-I Linear imaging self scanner-I Operational 85 277 ISRO High-resolution optical imager LISS-II Linear imaging self scanner-II Operational 86 278 ISRO High-resolution optical imager LISS-III Linear imaging self scanner-III Operational 87 279 ISRO High-resolution optical imager LISS-IV Linear imaging self scanner-IV Operational 88 284 ISRO High-resolution optical imager PAN Panchromatic sensor Operational 89 285 ISRO Imaging multi-spectral radiometer (vis/IR) MOS Modular opto-electronic scanner Operational 90 286 ISRO Ocean colour instrument OCM Ocean colour monitor Operational 91 287 ASI ROSA Radio Occultation Sounder of the Atmosphere Operational 92 288 ISRO Scatterometer SCAT Scatterometer Operational 93 290 JMA Communications MTSAT Comms Communications package for MTSAT Operational 94 291 JMA Communications Himawari Comms Communications package for Himawari Operational 95 294 JMA Imaging multi-spectral radiometer JAMI Japanese Advanced Meteorological Imager Operational 96 295 JMA Imaging multi-spectral radiometer IMAGER/MTSAT-2 Imager/MTSAT-2 Operational 97 296 JMA Imaging multi-spectral radiometer VISSR Visible and infrared spin scan radiometer Operational 98 297 JMA Imaging multi-spectral radiometer AHI Advanced Himawari Imager Operational 99 300 NASA Lidar GLAS Geoscience laser altimeter system Operational 100 301 NASA Precision orbit LRA Laser retroreflector array Operational 101 302 NASA Lidar MBLA Multi-beam laser altimeter Operational 102 303 NASA Lidar CALIOP Cloud-aerosol lidar with orthogonal polarization Operational 103 309 NASA Cloud profile and rain radar CPR (Cloudsat) Cloud profiling radar Operational 104 312 NASA Radar NSCAT NASA scatterometer Operational 105 313 NASA Radar SeaWinds ADEOS II - NASA scatterometer Operational 106 330 NASA Earth radiation budget radiometer ACRIM Active cavity radiometer irradiance monitor Operational 107 334 NASA Total and profile ozone BUV Backscatter ultraviolet instrument Operational 108 336 NASA High-resolution optical imager ALI Advanced land imager Operational 109 347 NASA High-resolution optical imager ASTER Advanced spaceborne thermal emission and reflection radiometer Operational 110 348 NASA Earth radiation budget radiometer CERES-2 Cloud and the Earth's radiant energy system Operational 111 351 NASA Atmospheric temperature and humidity sounder GPSDR GPS demonstration receiver Operational 112 353 NASA Total and profile ozone HiRDLS High-resolution dynamics limb sounder Operational 113 354 NASA Total and profile ozone HRDI High-resolution Doppler imager Operational 114 356 NASA Radiometer LIS Lightning imaging sensor Operational 115 358 NASA Magnetic field, auroal imagery scintillation boundary PEM Particle environment monitor Operational 116 359 NASA Ocean colour instrument SeaWiFS Sea-viewing wide field-of-view sensor Operational 117 360 NASA Earth radiation budget radiometer SUSIM (UARS) Solar ultraviolet irradiance monitor Operational 118 363 NASA Total and profile ozone SBUV/1 Solar backscatter ultraviolet 1 instrument Operational 119 365 NASA Imaging multi-spectral radiometer (passive microwave) TMI TRMM microwave imager Operational 120 366 NASA Imaging multi-spectral radiometer (passive microwave) JMR JASON-1 microwave radiometer Operational 121 367 NASA Imaging multi-spectral radiometer AMR Advanced microwave radiometer Operational 122 369 NASA Total and profile ozone LIMS Limb infrared monitor of the stratosphere Operational 123 370 NASA Total and profile ozone LRIR Limb radiance inversion radiometer instrument Operational 124 371 NASA Total and profile ozone EPIC Earth polychromatic imaging camera Operational 125 372 NASA Earth radiation budget radiometer NISTAR NIST advanced radiometer Operational 126 373 NASA Magnetic field, auroal imagery scintillation boundary Plasma-Mag Operational 127 374 NASA Other XPS XUV photometer system Operational 128 375 NASA Imaging multi-spectral radiometer (vis/IR) VIRS Visible infrared scanner Operational 129 376 CNES Multiple direction/polarization radiometer POLDER II Polarization and directionality of the Earth's reflectance-II Operational 130 377 NASA Earth radiation budget radiometer TIM Total irradiance monitor Operational 131 379 NASA Imaging multi-spectral radiometer (vis/IR) WFC Wide field camera Operational 132 382 NASA Spectro-radiometer CLAES Cryogenic limb array etalon spectrometer Operational 133 383 NASA Spectro-radiometer HALOE Halogen occultation experiment Operational 134 384 NASA Spectro-radiometer ISAMS Improved stratospheric and mesospheric sounder Operational 135 385 NASA Spectro-radiometer MISR Multi-angle imaging spectroradiometer Operational 136 386 NASA Spectro-radiometer MLS Microwave limb sounder Operational 137 387 NASA Spectro-radiometer MLS (EOS-Aura) Microwave limb sounder (EOS-Aura) Operational 138 389 NASA Spectro-radiometer MODIS Moderate-resolution imaging spectroradiometer Operational 139 393 NASA Gravity HAIRS High accuracy inter-satellite ranging system Operational 140 394 NASA Total and profile ozone OMI Ozone measuring instrument Operational 141 395 NASA Radiometer Atmospheric corrector Atmospheric corrector Operational 142 396 NASA Radiometer Hyperion Hyperspectral imager Operational 143 399 NASA Spectro-radiometer SAGE I Stratospheric aerosol and gas experiment-I Operational 144 400 NASA Spectro-radiometer SAGE II Stratospheric aerosol and gas experiment-II Operational 145 401 NASA Spectro-radiometer SAGE III Stratospheric aerosol and gas experiment-III Operational 146 402 NASA Spectro-radiometer SAMS Stratospheric and mesospheric sounder Operational 147 403 NASA Spectro-radiometer SAM-II Stratospheric aerosol measurement-II Operational 148 404 NASA Spectro-radiometer IRIS Infrared interferometer spectrometer Operational 149 405 NASA Atmospheric temperature and humidity sounder GIFTS Geosynchronous imaging Fourier transform spectrometer Operational 150 420 NASA Spectrometer AIRS Atmospheric Infrared sounder Operational 151 426 NASA Spectrometer SOLSTICE Solar stellar irradiance comparison experiment Operational 152 430 NASA Spectrometer TES Troposhperic emission spectrometer Operational 153 431 NASA Spectrometer TOMS Total ozone mapping spectrometer Operational 154 450 JAXA Communications ADEOS Comms Communications package for ADEOS Operational 155 451 JAXA Communications DCS (JAXA) Data-collection system (JAXA) Operational 156 453 NASDA Communications GMS Comms Communications package on GMS Operational 157 454 NASDA Communications JERS-1 Comms Communications package for JERS-1 Operational 158 460 NASDA Lidar RIS Retroreflector in space Operational 159 461 NASDA Radar PR Precipitation radar Operational 160 462 NASDA Imaging microwave radar SAR Synthetic aperture radar Operational 161 470 JAXA Imaging microwave radar PALSAR Phased array type L-band synthetic aperture radar Operational 162 478 JAXA Imaging multi-spectral radiometer (passive microwave) AMSR2 Advanced Microwave Scanning Radiometer 2 Operational 163 479 JAXA Imaging multi-spectral radiometer (passive microwave) AMSR-E Advanced microwave scanning radiometer - EOS Operational 164 480 JAXA High-resolution optical imager PRISM (ALOS) Panchromatic remote-sensing instrument for stereo mapping Operational 165 481 JAXA Radiometer AMSR Advanced microwave scanning radiometer Operational 166 482 NASDA High-resolution optical imager AVNIR Advanced visible and near infrared radiometer Operational 167 483 JAXA High-resolution optical imager AVNIR-2 Advanced visible and near infrared radiometer type 2 Operational 168 484 JAXA Imager GLI Global imager Operational 169 485 NASDA Radiometer MESSR Multispectral electronic self scanning radiometer Operational 170 486 NASDA Radiometer MSR Microwave scanning radiometer Operational 171 487 NASDA Radiometer OCTS Ocean colour and temperature scanner Operational 172 488 NASDA Radiometer OPS Optical sensor Operational 173 489 NASDA Radiometer VISSR (GMS-5) Visible and infrared spin scan radiometer (GMS-5) Operational 174 490 NASDA Radiometer VTIR Visible and thermal infrared radiometer Operational 175 510 NASDA Spectrometer ILAS-I Improved limb atmospheric spectrometer Operational 176 511 NASDA Spectrometer ILAS-II Improved limb atmosphiric spectrometer Operational 177 512 NASDA Spectrometer IMG Inferometric monitor of greenhouse gases Operational 178 514 NASDA Space environment SEM Space environment monitor (NASDA) Operational 179 515 JAXA Total and profile ozone SOFIS Solar occultation Fourier transform spectrometer for inclined orbit satellite Operational 180 516 JAXA Spectrometer TANSO-FTS Thermal and Near infrared Sensor for carbon Observations (TANSO) Fourier Transform Spectrometer (FTS) Operational 181 517 JAXA Imager TANSO-CAI Thermal and Near infrared Sensor for carbon Observations (TANSO) Cloud and Aerosol Imager (CAI) Operational 182 518 JAXA Cloud and precipitation radar DPR Dual-frequency precipitation radar Operational 183 519 NASA MW imaging/sounding radiometer, conical scanning GMI GPM microwave imager Operational 184 540 NOAA Communications DCS (NOAA) Data-collection system (NOAA) Operational 185 541 NOAA Communications GOES Comms Communications package on GOES Operational 186 542 NOAA Communications LANDSAT Comms Communications package for LANDSAT Operational 187 543 NOAA Communications NOAA Comms Communications package for NOAA Operational 188 544 NOAA Communications S&R (GOES) Search and rescue Operational 189 545 NOAA Communications S&R (NOAA) Search and rescue Operational 190 546 NOAA Communications WEFAX Weather facsimile Operational 191 547 NOAA Spectrometer SEM (GOES) Space environment monitor Operational 192 550 NOAA Magnetic field SSM Special sensor magnetometer Operational 193 551 NOAA Magnetic field SSJ/4 Special sensor precipitating plasma monitor Operational 194 552 NOAA Space environment SSIES-2 Special sensor ionospheric plasma drift/scintillation meter Operational 195 553 NOAA Space environment SSB/X-2 Special sensor gamma ray particle detector Operational 196 570 NOAA Radiometer AMSU-A Advanced microwave sounding unit-A Operational 197 574 NOAA Radiometer AMSU-B Advanced microwave sounding unit-B Operational 198 580 NOAA Radiometer ATOVS (HIRS/3 + AMSU + AVHRR/3) Advanced TIROS operational vertical sounder Operational 199 590 NOAA Radiometer AVHRR/2 Advanced very high-resolution radiometer/2 Operational 200 591 NOAA Radiometer AVHRR/3 Advanced very high-resolution radiometer/3 Operational 201 592 NOAA Radiometer AVHRR/4 Advanced very high-resolution radiometer/4 Operational 202 600 NOAA Radiometer ERBE Earth's radiation budget experiment Operational 203 601 NOAA Radiometer ETM+ Enhanced thematic mapper Operational 204 605 NOAA Radiometer HIRS/2 High-resolution infrared sounder/2 Operational 205 606 NOAA Radiometer HIRS/3 High-resolution infrared sounder/3 Operational 206 607 NOAA Radiometer HIRS/4 High-resolution infrared sounder/4 Operational 207 615 NOAA Radiometer IMAGER Imager Operational 208 616 NOAA Imaging multi-spectral radiometer (vis/IR) VIIRS Visible/infrared imager radiometer suite Operational 209 620 NOAA Atmospheric temperature and humidity sounder CrIRS/NP Cross-track infrared sounder/NPOESS Operational 210 621 NOAA Atmospheric temperature and humidity sounder ATMS Advanced technology microwave sounder Operational 211 622 NOAA Radiometer MSS Multispectral scanning system Operational 212 623 NOAA Radiometer MSU Microwave sounding unit Operational 213 624 NOAA Radiometer SBUV/2 Solar backscatter ultraviolet instrument/2 Operational 214 625 NOAA Radiometer SBUV/3 Solar backscatter ultraviolet instrument/3 Operational 215 626 NOAA Radiometer SOUNDER SOUNDER Operational 216 627 NOAA Radiometer SSU Stratospheric sounding unit Operational 217 628 NOAA Radiometer TM Thematic mapper Operational 218 629 NOAA Radiometer TOVS (HIRS/2 + MSU + SSU) TIROS operational vertical sounder Operational 219 630 NOAA Radiometer VAS VISSR atmospheric sounder Operational 220 631 NOAA Radiometer SSZ Operational 221 645 NOAA Spectrometer SEM Space environment monitor Operational 222 650 NRSCC Radiometer MVIRSR (10 channel) Multispectral visible and infrared scan radiometer Operational 223 651 NRSCC Radiometer MVIRSR (3 channel) Multispectral visible and infrared scan radiometer Operational 224 652 NRSCC Radiometer MVIRSR (5 channel) Multispectral visible and infrared scan radiometer Operational 225 670 NSAU Radar RLSBO Side looking microwave radar Operational 226 680 NSAU High-resolution optical imager MSU-EU Multispectral radiometer with high-resolution Operational 227 681 NSAU Imaging multi-spectral radiometer (vis/IR) MSU-UM Visible multispectral radiometer Operational 228 682 NSAU Radiometer RM-08 Imaging microwave radiometer Operational 229 683 NSAU High-resolution optical imager SU-UMS Stereo radiometer with high-resolution Operational 230 684 NSAU High-resolution optical imager SU-VR Visible radiometer with high-resolution Operational 231 685 NSAU Radiometer TRASSER Operational 232 700 ROSCOSMOS Communications KONDOR-2 Data-collection and transmission system Operational 233 701 ROSCOSMOS Communications BRK Operational 234 710 ROSCOSMOS Lidar ALISSA Backscatter lidar Operational 235 712 ROSCOSMOS Lidar Balkan-2 lidar Operational 236 715 ROSCOSMOS Lidar MK-4 Operational 237 716 ROSCOSMOS Lidar MK-4M Operational 238 730 ROSCOSMOS Radar Greben Radar altimeter Operational 239 731 ROSCOSMOS Radar SAR-10 Synthetic aperture radar Operational 240 732 ROSCOSMOS Radar SAR-3 Synthetic aperture radar Operational 241 733 ROSCOSMOS Radar SAR-70 Synthetic aperture radar Operational 242 740 ROSCOSMOS Radar SLR-3 Side looking radar Operational 243 745 ROSCOSMOS Radar Travers SAR Operational 244 750 ROSCOSMOS Radiometer 174-K Temperature and humidity profiler Operational 245 751 ROSCOSMOS Radiometer BTVK Scanning television radiometer Operational 246 752 ROSCOSMOS Radiometer Chaika Scanning infrared radiometer Operational 247 753 ROSCOSMOS Radiometer DELTA-2 Multispectral microwave scanner Operational 248 755 ROSCOSMOS Radiometer IKAR-D Multispectral microwave scanner Operational 249 756 ROSCOSMOS Radiometer IKAR-N Multispectral microwave scanner Operational 250 757 ROSCOSMOS Radiometer IKAR-P Multispectral microwave scanner Operational 251 760 ROSCOSMOS Radiometer ISP Operational 252 761 ROSCOSMOS Radiometer KFA-1000 Photographic camera Operational 253 762 ROSCOSMOS Radiometer KFA-200 Photographic camera Operational 254 763 ROSCOSMOS Radiometer KFA-3000 Photographic camera Operational 255 770 ROSCOSMOS Radiometer Klimat Scanning infrared radiometer Operational 256 771 ROSCOSMOS Radiometer Klimat-2 Scanning infrared radiometer Operational 257 775 ROSCOSMOS Radiometer MIRAS Operational 258 776 ROSCOSMOS Radiometer MIVZA Operational 259 777 ROSCOSMOS Radiometer MIVZA-M Microwave scanning radiometer Operational 260 780 ROSCOSMOS Radiometer MR-2000 Operational 261 781 ROSCOSMOS Radiometer MR-2000M Operational 262 785 ROSCOSMOS Radiometer MR-900 Scanning telephotometer Operational 263 786 ROSCOSMOS Radiometer MR-900B Scanning visual band telephotometer Operational 264 790 ROSCOSMOS Radiometer MSU-E Multispectral high-resolution electronic scanner Operational 265 791 ROSCOSMOS Radiometer MSU-E1 Multispectral high-resolution electronic scanner Operational 266 792 ROSCOSMOS Radiometer MSU-E2 Multispectral high-resolution electronic scanner Operational 267 793 ROSCOSMOS Radiometer MSU-M Operational 268 794 ROSCOSMOS Radiometer MSU-S Multispectral medium-resolution scanner Operational 269 795 ROSCOSMOS Radiometer MSU-SK Multispectral medium-resolution conical scanner Operational 270 796 ROSCOSMOS Radiometer MSU-V Multispectral high-resolution conical scanner Operational 271 810 ROSCOSMOS Radiometer MTZA Scanning microwave radiometer Operational 272 815 ROSCOSMOS Imaging multi-spectral radiometer (passive microwave) MZOAS Scanning microwave radiometer Operational 273 820 ROSCOSMOS Imaging multi-spectral radiometer (passive microwave) R-225 Single channel microwave radiometer Operational 274 821 ROSCOSMOS Radiometer R-400 Operational 275 822 ROSCOSMOS Radiometer R-600 Single channel microwave radiometer Operational 276 830 ROSCOSMOS Radiometer RMS Radiation measurement system Operational 277 835 ROSCOSMOS Radiometer TV camera Operational 278 836 ROSCOSMOS Radiometer SILVA Operational 279 840 ROSCOSMOS Spectro-radiometer SROSMO Spectroradiometer for ocean monitoring Operational 280 850 ROSCOSMOS Spectrometer BUFS-2 Backscatter spectrometer/2 Operational 281 851 ROSCOSMOS Spectrometer BUFS-4 Backscatter spectrometer/4 Operational 282 855 ROSCOSMOS Spectrometer ISTOK-1 Infrared spectrometer Operational 283 856 ROSCOSMOS Spectrometer SFM-2 Spectrometer to measure direct solar radiation Operational 284 857 ROSCOSMOS Spectrometer DOPI Operational 285 858 ROSCOSMOS Spectrometer KGI-4 Operational 286 859 ROSCOSMOS Spectrometer Ozon-M Operational 287 860 ROSCOSMOS Spectrometer RMK-2 Operational 288 900 NOAA Radiometer MAXIE Magnetospheric atmospheric X-ray imaging experiment Operational 289 901 NOAA Radiometer OLS Operational linescan system Operational 290 905 NOAA Radiometer SSM/I Mission sensor microwave imager Operational 291 906 NOAA Radiometer SSM/T-1 Mission sensor microwave temperature sounder Operational 292 907 NOAA Radiometer SSM/T-2 Mission sensor microwave water vapour sounder Operational 293 908 NOAA Radiometer SSMIS Special sensor microwave imager sounder Operational 294 910 NOAA Radiometer SXI Solar X-ray imager Operational 295 930 NOAA Spectrometer EHIC Energetic heavy ion composition experiment Operational 296 931 NOAA Spectrometer X-ray astronomy payload Operational 297 932 NRSCC Imaging multi-spectral radiometer (vis/IR) IVISSR (FY-2) Improved multispectral visible and Infrared scan radiometer (5 channels) Operational 298 933 NRSCC Atmospheric temperature and humidity sounder IRAS Infrared atmospheric sounder Operational 299 934 NRSCC Atmospheric temperature and humidity sounder MWAS Microwave atmospheric sounder Operational 300 935 NRSCC Atmospheric temperature and humidity sounder IMWAS Improved Microwave atmospheric sounder Operational 301 936 NRSCC Atmospheric temperature and humidity sounder MWHS Microwave humidity sounder Operational 302 937 NRSCC Imaging multi-spectral radiometer (vis/IR) MVIRS Moderate-resolution visible and infrared imaging spectroradiometer Operational 303 938 NRSCC Imaging multi-spectral radiometer (passive microwave) MWRI Microwave radiation imager Operational 304 940 ROSCOSMOS Atmospheric temperature and humidity sounder MTVZA-OK Scanning microwave radiometer Operational 305 941 CNES Atmospheric temperature and humidity sounder SAPHIR Operational 306 942 CNES Microwave imager MADRAS Microwave Analysis and Detection of Rain and Atmospheric Structures Operational 307 944 NOAA Radar altimeter ALT Altimeter Operational 308 945 NOAA Earth radiation budget radiometer TSIS Total solar irradiance sensor Operational 309 946 NOAA Imaging multi-spectral radiometer (passive microwave) CMIS Conical-scanning microwave imager/sounder Operational 310 947 NOAA Total and profile ozone OMPS Ozone mapping and profiler suite Operational 311 948 NOAA Space environment atmospheric temperature and humidity sounder GPSOS Global positioning system occultation sensor Operational 312 949 NOAA Magnetic field, auroal imagery scintillation boundary SESS Space environmental sensor suite Operational 313 950 NRSCC Imaging multi-spectral radiometer (vis/IR) VIRR Multispectral visible and infrared scan radiometer (10 channels) Operational 314 951 NRSCC Total and profile ozone TOM Total ozone mapper Operational 315 952 NRSCC Total and profile ozone OP Ozone profiler Operational 316 953 CMA Microwave sounding radiometer, crosstrack scanning MWHS-2 Microwave humidity sounder-2 Operational 317 954 CMA Microwave sounding radiometer, crosstrack scanning MWTS-2 Microwave temperature sounder-2 Operational 318 955 CMA Cross-nadir scanning IR sounder HIRAS Hyperspectral infrared atmospheric sounder Operational 319 956-999 Reserved Operational 320 1000-2046 Reserved for long-term future use Operational 321 2047 Missing value Operational