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Antennas, Satellite Broadcasting, and Emergency Preparedness for the Voice of America (1988) / Chapter Skim
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Pages 56-59

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From page 56...
... 56 GLOSSARY AED: Analysis, experiment, and development AFRTS: Armed Forces Radio and Television Services AM: Amplitude modulation ADA: Angle of arrival BBC: British Broadcasting Corporation dB: Decibel DBS: Direct broadcast satellite DBS-A: Direct audio broadcasting by satellite EHF: Extremely high frequency EMP: Electromagnetic pulse FEMA: Federal Emergency Management Agency FM: Frequency modulation GHz: Gigahertz GWEN: Ground Wave Emergency Network HEMP: High altitude electromagnetic pulse HE: High frequency INSAT: Indian National Satellite IONCAP: Ionospheric Communications Analysis and Prediction, a computer program IONSUM: Acronym standing for IONCAP SUMmary, a computer program ITU: International Telecommunication Union, an organization of the United Nations km: Kilometer kW: Kilowatt LPC: Linear predictive coding MW: Medium wave 1
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From page 57...
... 57 NASA: National Aeronautics and Space Administration NCC: National Coordinating Center NCS: National Communications System NSDD: National Security Decision Directive NSEP: National Security Emergency Preparedness NSTAC: National Security Telecommunications Advisory Committee OMNCS: Office of the Manager, National Communications System PN: Pseudo noise RP: Radio frequency SHF: Super high frequency STLs: Studio to transmitter links SW: Short wave TCI: Technology for Communications, International UHF: Ultra high frequency USIA: United States Information Agency VALSUM: VALidation SUMmary, a computer program VHF: Very high frequency VSWR: Voltage standing wave ratio WARC: World Administrative Radio Conference
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