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OCR for page 116
Handbook of Frequency Allocations and Spectrum Protection for Scientific Uses Appendix I Selected Acronyms/Abbreviations and Footnote Designations For the reader’s convenience, following is an alphabetical list of selected acronyms and abbreviations used in this handbook. Designations for footnotes to science service allocations are then listed. ACRONYMS AND ABBREVIATIONS Ae aeronautical AeMS Aeronautical Mobile Service (MS with aircraft) AeMSS Aeronautical Mobile Satellite Service (MSS with aircraft) AeRLS Aeronautical Radiolocation Service AeRNS Aeronautical Radionavigation Service AMatSat Amateur Satellite Service AmS Amateur Service AMSU Advanced Microwave Sounding Unit ANS Air Navigation Service Bn necessary bandwidth BS Broadcasting Service BSS Broadcasting Satellite Service CCIR International Radio Consultative Committee (antecedent of the ITU-R) E→S Earth to space EESS Earth Exploration-Satellite Service EOS Earth Observing System
OCR for page 117
Handbook of Frequency Allocations and Spectrum Protection for Scientific Uses FS Fixed Service (point-to-point transmissions, such as radio relay towers) FSS Fixed Satellite Service (between satellites and fixed ground stations, such as telephone, television, data links) GEO geostationary orbit (satellite) GNSS Global Navigation Satellite System GOES Geostationary Operational Environmental Satellites GPS Global Positioning System IAU International Astronomical Union IGS International Global Navigation Satellite System (GNSS) ISM industrial, scientific, and medical (bands in which radio-frequency-noisy systems can be operated); interstellar medium (consisting of the gas, dust, atomic particles, and magnetic fields between the stars) ISS Inter-Satellite Service ITU International Telecommunication Union ITU-R Radiocommunication Sector of the ITU ITU-RR ITU Radio Regulations IUCAF Scientific Committee on Frequency Allocations for Radio Astronomy and Space Science LEO low Earth orbit LMS Land Mobile Service LMSS Land Mobile Satellite Service MetAids Meteorological Aids Service (radiosondes, etc.) MetSat Meteorological Satellite Service MMSS Maritime Mobile Satellite Service MS Mobile Service MSS Mobile Satellite Service (telecommunications between mobile stations and satellites) NASA National Aeronautics and Space Administration NOAA National Oceanic and Atmospheric Administration NTIA National Telecommunications and Information Administration OOBE out-of-band emission pfd power flux density (usually measured in Wm−2) RAS Radio Astronomy Service RDSS Radiodetermination Satellite Service RFI radio-frequency interference RLS Radiolocation Service (radars) RNS Radionavigation Service RNSS Radionavigation Satellite Service (for example, GPS) RR Radio Regulations (the international treaty governing spectrum use)
OCR for page 118
Handbook of Frequency Allocations and Spectrum Protection for Scientific Uses S→E space to Earth S→S space to space SAR synthetic aperture radar SETI search for extraterrestrial intelligence SFS Standard Frequency and Time Signal Service (such as WWV) SFTSS Standard Frequency and Time Signal-Satellite Service SOS Space Operations Service SpaceOps Space Operations Service (satellite command and control) spfd spectral power flux density (measured in Wm−2 Hz−1) SRS Space Research Service SSM/I Special Sensor Microwave/Imager (of the Defense Meteorological Satellite Program) SSM/T Special Sensor Microwave/Temperature (of the Defense Meteorological Satellite Program) TDRSS Tracking and Data Relay Satellite System TRMM Tropical Rainfall Measurement Mission VLA Very Large Array VLBA Very Long Baseline Array VLBI very long baseline interferometry WARC World Administrative Radio Conference (antecedent of WRC) WRC World Radiocommunication Conference FOOTNOTE DESIGNATIONS 5: Footnotes designated “5” (e.g., 5.364) come from the ITU Radio Regulations (see Appendix B.1). US: Footnotes consisting of the letters “US” followed by one or more digits (e.g., US13) denote stipulations applicable to both government and nongovernment services (see Appendix B.2). G: Footnotes consisting of the letter “G” followed by one or more digits (e.g., G59) denote stipulations applicable only to U.S. federal government services (see Appendix B.3). NG: Footnotes consisting of the letters “NG” followed by one or more digits (e.g., NG101) denote stipulations applicable only to U.S. nonfederal government services (see Appendix B.4).
Representative terms from entire chapter: