Acronym |
Definition |
| 6-DOF | |
| AA | |
| AASE | |
| AAWO | |
| AAWS | |
| AB | |
| ABL | |
| ABLE | |
| ACARS | |
| ACCA | |
| ACES | |
| ACFP | |
| ACIA | |
| ACMAD | |
| ACON | |
| ACP | |
| ACRF | |
| ACRID | |
| ACRIM | |
| ACRP | |
| ACRS | |
| ACSG | |
| ACTIF | |
| ACU | |
| ACVT | |
| AD | |
| ADAS | |
| ADDS | |
| ADEOS | |
| ADFC | |
| ADLP | |
| ADMS | |
| ADR | |
| ADS | |
| ADTS | |
| ADW | |
| ADWF | |
| ADWS | |
| AEE | |
| AESS | |
| AETC | |
| AF | |
| AFB | |
| AFCCC | |
| AFD | |
| AFDD | |
| AFGWC | |
| AFLR | |
| AFOS | |
| AFR | |
| AFSS | |
| AGCM | |
| AGE | |
| AGFS | |
| AgriMet | |
| AGW | |
| AH | |
| AIDS | |
| AIMPA | |
| AIP | |
| AIRS | |
| AL | |
| ALDARS | |
| ALDS | |
| ALP | |
| ALR | |
| ALWX | |
| AM | |
| AMA | |
| AMAP | |
| AMC | |
| AMDAR | |
| AMIDS | |
| AMIS | |
| AMMA | |
| AMO | |
| AMOS | |
| AMRC | |
| AMS | |
| AMSR | |
| AMSS | |
| AMSU | |
| AMU | |
| ANARE | |
| ANC | |
| ANG | |
| ANN SOC METEOR | |
| AO | |
| AOC | |
| AOD | |
| AOG | |
| AOGCM | |
| AOIPS | |
| AOML | |
| AOPC | |
| APG | |
| API | |
| APIMS | |
| APO | |
| APPI | |
| APT | |
| AQ | |
| AQHI | |
| AQI | |
| AR | |
| AR-4 | |
| ARAD | |
| ARAM | |
| ARG | |
| ARGOS | |
| ARL | |
| ARM | |
| ARMOR | |
| ARO | |
| ARS | |
| ARSPACE | |
| ARSR | |
| ARTCC | |
| ARTS | |
| ARTYMEY | |
| AS | |
| ASAC | |
| ASAP | |
| ASAPS | |
| ASCOT | |
| ASD | |
| ASDAR | |
| ASDC | |
| ASHOE | |
| ASME | |
| ASMET | |
| ASOS | |
| ASR | |
| ASTER | |
| ASTM | |
| ATC | |
| ATCOS | |
| ATDD | |
| ATFP | |
| ATH | |
| ATL | |
| ATM | |
| ATMU | |
| ATS | |
| ATWC | |
| AUBM | |
| AVAPS | |
| AVHRR | |
| AVIM | |
| AVS | |
| AW | |
| AWARE | |
| AWC | |
| AWDS | |
| AWE | |
| AWG | |
| AWIPS | |
| AWIS | |
| AWN | |
| AWOS | |
| AWRS | |
| AWS | |
| AWSA | |
| AWW | |
| BA | |
| BAMOS | |
| BAMS | |
| BAP | |
| BASIS | |
| BASMI | |
| BBSS | |
| BBWS | |
| BC | |
| BD | |
| BDA | |
| BDC | |
| BDMD | |
| BED | |
| BF | |
| BFB | |
| BFE | |
| BFT | |
| BKN | |
| BLIP | |
| BMD | |
| BNMS | |
| BOB | |
| BODC | |
| BOM | |
| BOMP | |
| BOMSC | |
| BOREAS | |
| BRZ | |
| BS | |
| BSS | |
| BST | |
| BTEM | |
| BUE | |
| BUFR | |
| BUREC | |
| BWER | |
| C | |
| C4I | |
| CAC | |
| CAI | |
| CAIT | |
| CAO | |
| CAPE | |
| CAR | |
| CARDS | |
| CART | |
| CASA | |
| CAT | |
| CATS | |
| CAV | |
| CAVOK | |
| CAWIS | |
| CAWX | |
| CB | |
| CBERS | |
| CC | |
| CCAFS | |
| CCD | |
| CCM | |
| CCR | |
| CCRP | |
| CCSM | |
| CDA | |
| CDAS | |
| CDCL | |
| CDFI | |
| CDFS | |
| CDIC | |
| CDL | |
| CDM | |
| CDMP | |
| CDMS | |
| CDO | |
| CDR | |
| CECOM | |
| CEDAR | |
| CEEF | |
| CEMSCS | |
| CENR | |
| CEOI | |
| CEOS | |
| CERES | |
| CET | |
| CF | |
| CFEP | |
| CFF | |
| CFIJ | |
| CFLOS | |
| CGCP | |
| CGMS | |
| CGSP | |
| CHAMMP | |
| CHANCES | |
| CHC | |
| CICS | |
| CID | |
| CIDE | |
| CIMSS | |
| CIN | |
| CINC | |
| CIRA | |
| CLAMS | |
| CLD | |
| CLR | |
| CMA | |
| CMAP | |
| CMC | |
| CMDL | |
| CME | |
| CMFD | |
| CMMS | |
| CMOS | |
| CMP | |
| CMV | |
| CNMOC | |
| COADS | |
| COAMPS | |
| COARE | |
| COD | |
| COE | |
| COMEDS | |
| COMET | |
| COMS | |
| CONUS | |
| COP | |
| COPC | |
| CORS | |
| COTS | |
| CP | |
| CPAP | |
| CPC | |
| CPMC | |
| CPOL | |
| CPOM | |
| CPOO | |
| CPRS | |
| CPTR | |
| CPWW | |
| CPWWFE | |
| CQE | |
| CRK | |
| CRONOS | |
| CRREL | |
| CRU | |
| CS | |
| CSAG | |
| CSF | |
| CSNE | |
| CSREES | |
| CSSL | |
| CSU | |
| CTD | |
| CTL | |
| CTR | |
| Cu | |
| CVW | |
| CW | |
| CWA | |
| CWB | |
| CWEC | |
| CWEEDs | |
| CWG | |
| CWMP | |
| CWN | |
| CWOP | |
| CWR | |
| CY | |
| CZ | |
| DA | |
| DARN | |
| DART | |
| DAWN | |
| DBK | |
| DBZ | |
| DCP | |
| DCS | |
| DD | |
| DDN | |
| DDT | |
| DDTW | |
| DDW | |
| DE | |
| DEM | |
| DERM | |
| DF | |
| DHI | |
| DHM | |
| DHMS | |
| DIG | |
| DIN | |
| DISS | |
| DLP | |
| DMD | |
| DMDD | |
| DMSO | |
| DMSP | |
| DNI | |
| DNMI | |
| DNP | |
| DOC | |
| DOD | |
| DOI | |
| DOMSAT | |
| DOS | |
| DOT | |
| DOW | |
| DPS | |
| DRG | |
| DRGS | |
| DRWP | |
| DSO | |
| DTA | |
| DTR | |
| DTSS | |
| DUAT | |
| DWL | |
| DWW | |
| E | |
| E2DIS | |
| EA | |
| EACC | |
| EARS | |
| ECC | |
| ECMWF | |
| ECOMET | |
| ECW | |
| EDAS | |
| EDD | |
| EDIS | |
| EELT | |
| EEN | |
| EF | |
| EH | |
| EHI | |
| EHP | |
| EMC | |
| EMR | |
| ENAS | |
| ENE | |
| ENSO | |
| EO | |
| EO-ICWG | |
| EOS | |
| EOSDIS | |
| EOSP | |
| EOTDA | |
| EP | |
| EPA | |
| EPIC | |
| EQ | |
| EQN | |
| ER | |
| ERA | |
| ERB | |
| ERC | |
| ERF | |
| ERL | |
| ERM | |
| EROS | |
| ES | |
| ESD | |
| ESD/IPC | |
| ESE | |
| ESMA | |
| ESP | |
| ESR | |
| ESSP | |
| ET | |
| ET/WFEU | |
| ETL | |
| ETM+ | |
| ETP | |
| ETS | |
| ETWA | |
| EUMETSAT | |
| EUV | |
| EUVS | |
| EV | |
| EVE | |
| EVM | |
| EW | |
| EXCIMS | |
| EZWA | |
| F | |
| FA | |
| FAA | |
| FAC | |
| FAME | |
| FBAN | |
| FC | |
| FCMP | |
| FCMSSR | |
| FCST | |
| FEB | |
| FEMA | |
| FFA | |
| FFRA | |
| FFRAP | |
| FG | |
| FGAT | |
| FGDC | |
| FGS | |
| FH | |
| FI | |
| FIT | |
| FLA | |
| FLD | |
| FLPP | |
| FMF | |
| FMH | |
| FMI | |
| FNMOC | |
| FNMOD | |
| FOG | |
| FORSCOM | |
| FOSDIC | |
| FP | |
| FRD | |
| FRMAC | |
| FS | |
| FSAS | |
| FSDPS | |
| FSL | |
| FSS | |
| FTE | |
| FTH | |
| FTMY | |
| FU | |
| FW | |
| FWF | |
| FWI | |
| FWL | |
| FWX | |
| FX | |
| FY | |
| FZFG | |
| GA | |
| GAC | |
| GADS | |
| GAF | |
| GAIN | |
| GAO | |
| GAPP | |
| GARP | |
| GASP | |
| GAW | |
| GCC | |
| GCCA | |
| GCCD | |
| GCCM | |
| GCCN | |
| GCM | |
| GCOS | |
| GCPS | |
| GCRCC | |
| GCRP | |
| GD | |
| GDF | |
| GDL | |
| GDPS | |
| GEMS | |
| GEO | |
| GEOSS | |
| GES | |
| GES1 | |
| GES2 | |
| GES3 | |
| GES4 | |
| GES5 | |
| GES6 | |
| GES7 | |
| GES8 | |
| GFMPL | |
| GFS | |
| GGSS | |
| GHCN | |
| GHI | |
| GHRSST | |
| GI | |
| GIN | |
| GIS | |
| GL | |
| GLA | |
| GLA1 | |
| GLA10 | |
| GLA11 | |
| GLA12 | |
| GLA13 | |
| GLA14 | |
| GLA15 | |
| GLA16 | |
| GLA17 | |
| GLA18 | |
| GLA19 | |
| GLA2 | |
| GLA20 | |
| GLA22 | |
| GLA23 | |
| GLA24 | |
| GLA25 | |
| GLA26 | |
| GLA27 | |
| GLA28 | |
| GLA29 | |
| GLA3 | |
| GLA30 | |
| GLA31 | |
| GLA4 | |
| GLA5 | |
| GLA6 | |
| GLA7 | |
| GLA8 | |
| GLA9 | |
| GLB | |
| GLB1 | |
| GLB10 | |
| GLB11 | |
| GLB13 | |
| GLB14 | |
| GLB15 | |
| GLB16 | |
| GLB17 | |
| GLB18 | |
| GLB19 | |
| GLB2 | |
| GLB20 | |
| GLB21 | |
| GLB3 | |
| GLB4 | |
| GLB5 | |
| GLB6 | |
| GLB7 | |
| GLB8 | |
| GLB9 | |
| GLM | |
| GLM1 | |
| GLM2 | |
| GLMC | |
| GLOF | |
| GLOFM | |
| GLOMEX | |
| GLOS | |
| GLOS-RA | |
| GLW | |
| GLW1 | |
| GLW10 | |
| GLW11 | |
| GLW12 | |
| GLW13 | |
| GLW14 | |
| GLW15 | |
| GLW2 | |
| GLW3 | |
| GLW4 | |
| GLW5 | |
| GLW6 | |
| GLW7 | |
| GLW8 | |
| GLW9 | |
| GMET | |
| GMS | |
| GND | |
| GNFE | |
| GNU | |
| GOAT | |
| GODAR | |
| GOES | |
| GOIN | |
| GOMOS | |
| GOS | |
| GPCP | |
| gpdm | |
| GPH | |
| GPM | |
| GPRS | |
| GPS | |
| GR&R | |
| GRIB | |
| GRIP | |
| GSC | |
| GSFC | |
| GSM | |
| GSOD | |
| GST | |
| GTS | |
| GTSPP | |
| GTWAPS | |
| GVI | |
| GW | |
| GWC | |
| GWC1 | |
| GWC10 | |
| GWC11 | |
| GWC12 | |
| GWC13 | |
| GWC14 | |
| GWC15 | |
| GWC16 | |
| GWC17 | |
| GWC2 | |
| GWC3 | |
| GWC4 | |
| GWC5 | |
| GWC6 | |
| GWC7 | |
| GWC8 | |
| GWC9 | |
| GWDS | |
| GWIM | |
| GWP | |
| H | |
| HAEV | |
| HAL | |
| HAM | |
| HAP | |
| HAZ | |
| HCDT | |
| HCDTS | |
| HDD | |
| HDSS | |
| HED | |
| HF | |
| HFRB | |
| HHV | |
| HI | |
| HID | |
| HIRS/2 | |
| HIRT | |
| HK | |
| HL | |
| HLACAM | |
| HLACAMS | |
| HLB | |
| HLBL | |
| HLC | |
| HLCT | |
| HME | |
| HMP | |
| HNMS | |
| HOT | |
| HP | |
| HPA | |
| HPC | |
| HPCC | |
| HPD | |
| HPI | |
| HRD | |
| HRPT | |
| HSMS | |
| HSN | |
| HST | |
| HT | |
| HTP | |
| HVS | |
| HW | |
| HWCMO | |
| HWS | |
| HYMEX | |
| I | |
| IAAM | |
| IABM | |
| IAMS | |
| IAP | |
| IB | |
| IC | |
| ICAM | |
| ICAO | |
| ICCP | |
| ICEO | |
| ICMO | |
| ICMSSR | |
| ICSU | |
| ICWG | |
| ICWG-CC | |
| IDCZ | |
| IDF | |
| IDGIS | |
| IEEE | |
| IEW | |
| IFM | |
| IFMS | |
| IFR | |
| IFS | |
| IHC | |
| IIP | |
| IITA | |
| IITM | |
| IJB | |
| IMBO | |
| IMC | |
| IMCR | |
| IMD | |
| IMDE | |
| IMDES | |
| IMETS | |
| IMF | |
| IMGI | |
| IMHO | |
| IMO | |
| IMS | |
| IMU | |
| IMY | |
| INSAM | |
| INTEL | |
| IOC | |
| IOCI | |
| IOCO | |
| IOCQ | |
| IOCZ | |
| IODC | |
| IODM | |
| IOLC | |
| IP | |
| IPCC | |
| IPO | |
| IPV | |
| IQ | |
| IR | |
| IRI | |
| ISBN | |
| ISCCP | |
| ISOS | |
| ISR | |
| ITA | |
| ITCZ | |
| ITWS | |
| IUM | |
| IWR | |
| IWRPC | |
| IWRS | |
| JAG | |
| JAMC | |
| JAMI | |
| JASL | |
| JAWOP | |
| JCRMOD | |
| JEDA | |
| JESSE | |
| JGE | |
| JGOFS | |
| JISM | |
| JMA | |
| JMFU | |
| JMOC | |
| JMSAC | |
| JPL | |
| JTWC | |
| JWX | |
| KEC-62 | |
| KIH-29 | |
| KIH-34 | |
| KK | |
| KLUX | |
| KMA | |
| KMD | |
| KMR | |
| KSC | |
| KTS | |
| LAB | |
| LAC | |
| LADC | |
| LADCP | |
| LASE | |
| LAWM | |
| LB | |
| LCD | |
| LCL | |
| LCM | |
| LDAD | |
| LDAR | |
| LDCR | |
| LDS | |
| LES | |
| LFCC | |
| LFO | |
| LGP | |
| LI | |
| LIA | |
| LISN | |
| LITE | |
| LLJ | |
| LLMM | |
| LLWAS | |
| LLWS | |
| LM | |
| LMA | |
| LMCD | |
| LMNE | |
| LMS | |
| LND | |
| LOD | |
| LOD2 | |
| LOL | |
| LOS | |
| LOVE | |
| LP | |
| LPZ | |
| LRGS | |
| LRM | |
| LSD | |
| LSIR | |
| LSR | |
| LT | |
| LTCS | |
| LTF | |
| LVL | |
| LVS | |
| LWL | |
| LWS | |
| LWST | |
| M&TE | |
| M1FC | |
| MA | |
| MAB | |
| MACOM | |
| MAD | |
| MAF | |
| MAGTF | |
| MAJCOM | |
| MAP | |
| MAQ | |
| MARC | |
| MARD | |
| MARS | |
| MARSTO | |
| MAS | |
| MAT | |
| MATES | |
| MATH | |
| MATT | |
| MB | |
| MC | |
| MCC | |
| MCDW | |
| MCH | |
| MCIP | |
| MCSST | |
| MCTDM | |
| MCV | |
| MCWG | |
| MDD | |
| MDG | |
| MDS | |
| MDSD | |
| MDV | |
| MEHS | |
| MEMS | |
| MEPED | |
| MES | |
| MET | |
| METAR | |
| METMF | |
| METOC | |
| MFD | |
| MFF | |
| MGR | |
| MHG | |
| MHH | |
| MHS | |
| MIDS | |
| MIMR | |
| MIR | |
| MISR | |
| MIUB | |
| MJO | |
| MKSA | |
| MLD | |
| MLJ | |
| MM | |
| MMD | |
| MME | |
| MMHg | |
| MMIM | |
| MMMS | |
| MMS | |
| MMW | |
| MO | |
| MO&DA | |
| MOA | |
| MOAF | |
| MOAP | |
| MODIS | |
| MOG | |
| MOPITT | |
| MOR | |
| MOSS | |
| MOST | |
| MP | |
| MPDA | |
| MPING | |
| MPS | |
| MRAR | |
| MRC | |
| MRF | |
| MRN | |
| MRS | |
| MS | |
| MSC | |
| MSCP | |
| MSCW | |
| MSL | |
| MSLP | |
| MSM | |
| MSTR | |
| MSU | |
| MSWN | |
| MTF | |
| MTN | |
| MTPE | |
| MTSAT | |
| MTSO | |
| MVP | |
| MW | |
| MWC | |
| MWFRS | |
| MWL | |
| MWM | |
| MWO | |
| MWP | |
| MWS | |
| MWSS | |
| N-ROSS | |
| NACS | |
| NACW | |
| NAD | |
| NADIN | |
| NADP | |
| NAH | |
| NAK | |
| NAMS | |
| NAO | |
| NAOS | |
| NAP | |
| NAR | |
| NAS | |
| NASA | |
| NASS | |
| NATO | |
| NAV | |
| NAVAF | |
| NAVICECEN | |
| NAVOCEANO | |
| NAWPC | |
| NAWPP | |
| NBP | |
| NC | |
| NCAR | |
| NCDC | |
| NCEP | |
| NCFR | |
| NCM | |
| NCO | |
| NCP | |
| ND | |
| NDACC | |
| NDAO | |
| NDBC | |
| NDFD | |
| NDI | |
| NDSI | |
| NDTI | |
| NEJ | |
| NEMOC | |
| NESDIS | |
| NESS | |
| NEST | |
| NEWS | |
| NEXRAD | |
| NFAF | |
| NFDRS | |
| NG | |
| NGA | |
| NGIC | |
| NGP | |
| NHC | |
| NHOP | |
| NHV | |
| NIC | |
| NIDS | |
| NIFC | |
| NIR | |
| NITES | |
| NL | |
| NLMOC | |
| NMAS | |
| NMC | |
| NMHS | |
| NMI | |
| NMIJ | |
| NMOC | |
| NMP | |
| NMS | |
| NMTN | |
| NMU | |
| NMUB | |
| NOA | |
| NOAA | |
| NODC | |
| NODDES | |
| NODDS | |
| NOGAPS | |
| NOLC | |
| NOR | |
| NORA | |
| NORAPS | |
| NOS | |
| NOTAM | |
| NOWS | |
| NP | |
| NPL | |
| NPMOC | |
| NPOESS | |
| NPS | |
| NPSS | |
| NR | |
| NRC | |
| NRCS | |
| NRF | |
| NRL | |
| NS | |
| NSCAT | |
| NSF | |
| NSIDC | |
| NSSA | |
| NSSFC | |
| NSSL | |
| NSTC | |
| NSW | |
| NSWP | |
| NTC | |
| NTD | |
| NTP | |
| NTS | |
| NTSB | |
| NTU | |
| NV | |
| NVA | |
| NVDS | |
| NVG | |
| NW | |
| NWA | |
| NWCC | |
| NWCP | |
| NWL | |
| NWLON | |
| NWP | |
| NWR | |
| NWS | |
| NZMS | |
| O | |
| OAML | |
| OAR | |
| OASIS | |
| OAT | |
| ODCSINT | |
| ODCSOPS | |
| OFCM | |
| OGA | |
| OGP | |
| OIL | |
| OIT | |
| OKX | |
| OL | |
| OLR | |
| OMB | |
| OMC | |
| OMEGA | |
| OMNI | |
| OMSS | |
| ONR | |
| OPARS | |
| OPP | |
| OR | |
| ORA | |
| ORAU | |
| ORD | |
| ORT | |
| OSCAR | |
| OSDPD | |
| OSF | |
| OSO | |
| OTIS | |
| OTS | |
| OTSR | |
| OVC | |
| OVCST | |
| OVG | |
| OWC | |
| OWS | |
| OWSE | |
| OWW | |
| P | |
| P3I | |
| PA | |
| PAC | |
| PACS | |
| PAL | |
| PAW | |
| PAWS | |
| PB | |
| PBL | |
| PC | |
| PCC | |
| PCGRAFAX | |
| PCIS | |
| PD | |
| PDE | |
| PDM | |
| PDR | |
| PDSI | |
| PE | |
| PEER | |
| PEMI II | |
| PERSIST | |
| PF | |
| PFR | |
| PGF | |
| PHM | |
| PHNL | |
| PHWM | |
| PHWW | |
| PIBALS | |
| PICS | |
| PIL | |
| PIRATA | |
| PIREP | |
| PIWW | |
| PJS | |
| PL/GP | |
| PM2.5 | |
| PMC | |
| PME | |
| PMEL | |
| PMF | |
| PMMM | |
| PNL | |
| PNWSN | |
| POAM | |
| POGO | |
| POH | |
| POM | |
| POP | |
| POPS | |
| PORT | |
| PORTS | |
| POSH | |
| PPM | |
| PPS | |
| PRB | |
| PRECP | |
| PRH | |
| PROG | |
| PS | |
| PSD | |
| PSDA | |
| PSG | |
| PSI | |
| PSWC | |
| PTCM | |
| PUP | |
| PUX | |
| PVA | |
| PW | |
| PWAT | |
| PWV | |
| Q | |
| QBO | |
| QCF | |
| QCN | |
| QCY | |
| QMN | |
| QNH | |
| QPE | |
| QPF | |
| QPN | |
| QQO | |
| QWP | |
| QWY | |
| R | |
| R&D | |
| RAA | |
| RAFC | |
| RAMDIS | |
| RAP | |
| RASS | |
| RAWB | |
| RAWS | |
| RC | |
| RCA | |
| RCH | |
| RCL | |
| RCZ | |
| RD | |
| RDA | |
| RDT | |
| RDTE | |
| RF | |
| RFC | |
| RFD | |
| RFE | |
| RFO | |
| RFP | |
| RGC | |
| RH | |
| RIDGE | |
| RISCO | |
| RMC | |
| RMDCN | |
| RMF | |
| RMTC | |
| RMTN | |
| RND | |
| ROB | |
| ROC | |
| RP | |
| RPG | |
| RR | |
| RRB | |
| RRL | |
| RSJ | |
| RSM | |
| RSMC | |
| RT | |
| RTA | |
| RTE | |
| RTH | |
| RUC | |
| RVR | |
| RWB | |
| RWH | |
| RWIS | |
| RWO | |
| RWP | |
| RWT | |
| S | |
| SAA | |
| SAAR | |
| SAC | |
| SAF | |
| SALSA | |
| SALT | |
| SAM | |
| SAME | |
| SAMOS | |
| SAMRI | |
| SAMS | |
| SAO | |
| SARP | |
| SARSAT | |
| SAT | |
| SATCOM | |
| SAV | |
| SAWRS | |
| SB | |
| SBF | |
| SBUB | |
| SBUV | |
| SC | |
| SCAR | |
| SCAS | |
| SCCP | |
| SCIT | |
| SCO | |
| SCOS | |
| SCRF | |
| SCRIM | |
| SCT | |
| SD | |
| SDHS | |
| SDL | |
| SEAM | |
| SEC | |
| SECA | |
| SECS | |
| SEE | |
| SEER | |
| SELDADS | |
| SELS | |
| SEM | |
| SEON | |
| SEP | |
| SEQ | |
| SERCAA | |
| SERDP | |
| SET | |
| SETT | |
| SEU | |
| SF | |
| SFDF | |
| SFMR | |
| SHARE | |
| SHGC | |
| SI | |
| SID | |
| SIE | |
| SIV | |
| SIW | |
| SKA | |
| SKC | |
| SLAP | |
| SLI | |
| SLM | |
| SLP | |
| SM | |
| SMBL | |
| SMHI | |
| SMK | |
| SMN | |
| SMOG | |
| SMOOS | |
| SMOS | |
| SMP | |
| SMS | |
| SMW | |
| SMY | |
| SNOTEL | |
| SNW | |
| SNY | |
| SOAR | |
| SOC | |
| SOCC | |
| SODAR | |
| SOG | |
| SOGS | |
| SOLAR | |
| SOM(S) | |
| SONAR | |
| SORD | |
| SORP | |
| SPAWAR | |
| SPC | |
| SPD | |
| SPECI | |
| SPECIAL | |
| SPF | |
| SPH | |
| SPL | |
| SPO | |
| SPOSC | |
| SR | |
| SRA | |
| SRBL | |
| SRDC | |
| SRH | |
| SRM | |
| SRS | |
| SS | |
| SSDC | |
| SSE | |
| SSF | |
| SSM/I | |
| SSU | |
| ST | |
| STA | |
| STAR | |
| STEPS | |
| STHP | |
| STI | |
| STIWG | |
| STK | |
| STT | |
| SUPER | |
| SVG | |
| SW | |
| SWAT | |
| SWE | |
| SWEAT | |
| SWI | |
| SWIM | |
| SWN | |
| SWO | |
| SWODY1 | |
| SWODY2 | |
| SWP | |
| SWW | |
| SWWP | |
| SXI | |
| T2 | |
| TAB | |
| TACWX | |
| TAF | |
| TAFOR | |
| TAG | |
| TAMS | |
| TAMSS | |
| TAO | |
| TAP | |
| TAR | |
| TAT | |
| TBSS | |
| tBTEM | |
| TCCOR | |
| TCE | |
| TCU | |
| TD | |
| TD 13 | |
| TD 14 | |
| TD13 | |
| TD14 | |
| TDA | |
| TDB | |
| TDEW | |
| TDU | |
| TDV | |
| TDWR | |
| TEA | |
| TEAM | |
| TEC | |
| TECOM | |
| TED | |
| TEMIS | |
| TESS | |
| TF | |
| TFV | |
| TG | |
| TGA | |
| TGF | |
| THB | |
| THERT | |
| THI | |
| THP | |
| THW | |
| TIBM | |
| TIGER | |
| TIMEX | |
| TINA | |
| TIROS | |
| TLA | |
| TMIC | |
| TMQ-42 | |
| TMQ-50 | |
| TMT | |
| TMTCA | |
| TMY | |
| TMZ | |
| TNH | |
| TO | |
| TOA | |
| TOGA | |
| TOMS | |
| TOP | |
| TOPW | |
| TOR | |
| TOTE | |
| TOTO | |
| TOVS | |
| TPC | |
| TPEM | |
| TPGAs | |
| TPH | |
| TPK | |
| TPRH | |
| TRADOC | |
| TRB | |
| TRMM | |
| TROWAL | |
| TS | |
| TSJ | |
| TSMS | |
| TSRB | |
| TTMM | |
| TV | |
| TVD | |
| TVS | |
| TW | |
| TWEB | |
| TWL | |
| TWLM | |
| TWM | |
| TWR | |
| TWS | |
| TWV | |
| TYX | |
| TZC | |
| TZD | |
| U | |
| UAAS | |
| UAC | |
| UAM | |
| UAP | |
| UAPTF | |
| UAR | |
| UATD | |
| UAV | |
| UCAR | |
| UGF | |
| UGS | |
| UHA | |
| UHI | |
| UHM | |
| UHP | |
| UKMET | |
| UKMO | |
| UKV | |
| ULF | |
| ULI | |
| ULJ | |
| ULT | |
| ULWRF | |
| UMWL | |
| UNEP | |
| UNESCO | |
| UNFCC | |
| UNK | |
| UNMA | |
| UOM | |
| UOP | |
| UP | |
| UPS | |
| URI | |
| USAF | |
| USCG | |
| USDA | |
| USDOE | |
| USDOI | |
| USGS | |
| USHCN | |
| USIABP | |
| USMC | |
| USN | |
| USNS | |
| USRA | |
| USWRP | |
| UTC | |
| UTH | |
| UTM | |
| UTO | |
| UV-A | |
| UV-B | |
| UVA | |
| UVB | |
| UVC | |
| UVD | |
| UVE | |
| UVF | |
| UVI | |
| UVIF | |
| UVL | |
| UVO | |
| UVOC | |
| UVP | |
| UVS | |
| UVV | |
| UVW | |
| UW | |
| UWE | |
| UWT | |
| UWV | |
| VA | |
| VAAC | |
| VAD | |
| VAS | |
| VAV | |
| VBX | |
| VCP | |
| VDT | |
| VEG | |
| VEI | |
| VEL | |
| VFLO | |
| VFR | |
| VGJ | |
| VHT | |
| VHZ | |
| VIL | |
| VILD | |
| VIP | |
| VIPIR | |
| VISSR | |
| VLC | |
| VLM | |
| VLP | |
| VMC | |
| VNS | |
| VOG | |
| VORTEX | |
| VOS | |
| VP | |
| VPD | |
| VRAC | |
| VSD | |
| VSH | |
| VSN | |
| VSW | |
| VT | |
| VTEC | |
| VWM | |
| VWP | |
| VWS | |
| VWX | |
| W/W | |
| WA | |
| WAAS | |
| WABN | |
| WAC | |
| WADI | |
| WAFC | |
| WAFS | |
| WALE | |
| WALM | |
| WAM | |
| WAOB | |
| WARF | |
| WARI | |
| WARN | |
| WARP | |
| WB | |
| WB0 | |
| WBAS | |
| WBFO | |
| WBG | |
| WBGT | |
| Wbkf | |
| WBMO | |
| WBNM | |
| WBSW | |
| WBTM | |
| WC | |
| WCAM | |
| WCET | |
| WCF | |
| WCFR | |
| WCG | |
| WCI | |
| WCLM | |
| WCNP | |
| WCRP | |
| WCT | |
| WDC | |
| WDCADS | |
| WDI | |
| WDIU | |
| WDL | |
| WDLC | |
| WDM | |
| WDMP | |
| WDS | |
| WDT | |
| WDU | |
| WEAX | |
| WEFAX | |
| WEFL | |
| WEFS | |
| WEL | |
| WEMC | |
| WEPP | |
| WEPS | |
| WEQ | |
| WES | |
| WETM | |
| WFA | |
| WFAS | |
| WFO | |
| WG | |
| WGBT | |
| WGCE | |
| WGCH | |
| WGCP | |
| WGDC | |
| WGGT | |
| WGMA | |
| WGRS | |
| WGS-84 | |
| WGWA | |
| WHFO | |
| WHIS | |
| WHTM | |
| WHWP | |
| WI | |
| WIDA | |
| WIDS | |
| WIMS | |
| WIOM | |
| WIRDS | |
| WISG | |
| WISH | |
| WISP | |
| WIST | |
| WIST-DSS | |
| WJ | |
| WKNG | |
| WKPP | |
| WKX-41 | |
| WKX-83 | |
| WL | |
| WLI | |
| WLMC | |
| WLT | |
| WLY | |
| WMC | |
| WMFW | |
| WMI | |
| WMII | |
| WMO | |
| WMSCR | |
| WMWDCWMP | |
| WN | |
| WNA | |
| WNAA | |
| WNAO | |
| WNAR | |
| WND | |
| WNW | |
| WOB | |
| WOBL | |
| WOCE | |
| WOD | |
| WODB | |
| WODM | |
| WOTAN | |
| WOUS | |
| WP | |
| WPAC | |
| WPDN | |
| WPRS | |
| WPSH | |
| WPWP | |
| WQC | |
| WRAI | |
| WRCC | |
| WRDC | |
| WRDD | |
| WRDE | |
| WRF | |
| WRH | |
| WRI | |
| WRIP | |
| WRMA | |
| WRPL | |
| WRR | |
| WRRM | |
| WRS | |
| WRSS | |
| WRW | |
| WS | |
| WSC | |
| WSDW | |
| WSFO | |
| WSKM | |
| WSMO | |
| WSMR | |
| WSO | |
| WSP | |
| WSPH | |
| WSR | |
| WSR-88D | |
| WSS | |
| WSSF | |
| WSSU | |
| WSU | |
| WT | |
| WTAQ | |
| WTBD | |
| WTF | |
| WTG | |
| WTMA | |
| WTNA | |
| WTPM | |
| WTR | |
| WTWS | |
| WTWY | |
| WUA | |
| WUBA | |
| WUG | |
| WV | |
| WVC | |
| WVD | |
| WVDA | |
| WVEL | |
| WVHB | |
| WVM | |
| WVMS | |
| WVN | |
| WVO | |
| WVP | |
| WVPR | |
| WVR | |
| WVRE | |
| WVS | |
| WVSS | |
| WVT | |
| WVTA | |
| WVTI | |
| WVTR | |
| WVTRA | |
| WW | |
| WWA | |
| WWAN | |
| WWAS | |
| WWB | |
| WWE | |
| WWF-43 | |
| WWF-85 | |
| WWF-90 | |
| WWF-91 | |
| WWFP | |
| WWG-55 | |
| WWH-34 | |
| WWH-35 | |
| WWH-39 | |
| WWIII | |
| WWIS | |
| WWOL | |
| WWP | |
| WWRP | |
| WWV | |
| WWVB | |
| WWVH | |
| WWW | |
| WWWO | |
| WX-500 | |
| WXA | |
| WXC | |
| WXD | |
| WXDB | |
| WXDM | |
| WXEX | |
| WXF | |
| WXHK | |
| WXJ-20 | |
| WXJ-43 | |
| WXJ-46 | |
| WXJ-51 | |
| WXJ-60 | |
| WXJ-71 | |
| WXJ-74 | |
| WXJ-75 | |
| WXJ-76 | |
| WXJ-86 | |
| WXJ-87 | |
| WXJ-88 | |
| WXJ-89 | |
| WXJ-90 | |
| WXJ-92 | |
| WXJ-93 | |
| WXJ-98 | |
| WXK-27 | |
| WXK-34 | |
| WXK-41 | |
| WXK-49 | |
| WXK-54 | |
| WXK-60 | |
| WXK-66 | |
| WXK-67 | |
| WXK-68 | |
| WXK-73 | |
| WXK-75 | |
| WXK-81 | |
| WXK-98 | |
| WXL-25 | |
| WXL-31 | |
| WXL-33 | |
| WXL-35 | |
| WXL-37 | |
| WXL-38 | |
| WXL-43 | |
| WXL-62 | |
| WXL-68 | |
| WXL-74 | |
| WXL-75 | |
| WXL-77 | |
| WXL-79 | |
| WXL-80 | |
| WXL-82 | |
| WXL-83 | |
| WXL-84 | |
| WXL-86 | |
| WXL-95 | |
| WXM-20 | |
| WXM-22 | |
| WXM-23 | |
| WXM-24 | |
| WXM-27 | |
| WXM-31 | |
| WXM-50 | |
| WXM-51 | |
| WXM-52 | |
| WXM-53 | |
| WXM-54 | |
| WXM-55 | |
| WXM-56 | |
| WXM-82 | |
| WXM-87 | |
| WXM-88 | |
| WXM-90 | |
| WXM-91 | |
| WXM-95 | |
| WXML | |
| WXN | |
| WXN-29 | |
| WXN-55 | |
| WXN-59 | |
| WXN-69 | |
| WXN-91 | |
| WXNS | |
| WXP | |
| WXQ | |
| WXR | |
| WXRS | |
| WXU | |
| WXUK | |
| WXWP | |
| WYEC | |
| WYF | |
| WYI | |
| WZ | |
| WZTD | |
| X | |
| XBT | |
| XDC | |
| XDW | |
| XWC | |
| XWX | |
| XYP | |
| XYR | |
| YRO | |
| YYYY | |
| ZAP | |
| ZDC | |
| ZHR | |
| ZIF | |
| ZM | |
| ZTD | |
| ZTH | |
| ZTM | |
| ZW | |
| ZWP | |
| ZY-1 | |
| ☁ | |
| ☇ | |
| ☈ | |
| ☉ | |
| ☌ |
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