GLOSSARY
AED:
Analysis, experiment, and development
AFRTS:
Armed Forces Radio and Television Services
AM:
Amplitude modulation
AOA:
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
HF:
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
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
RF:
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