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