Glossary
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Absolute PositioningAbstract SyntaxAccess Control
Access Control CenterAccess Control Processor (ACP)Access Method
ACKACSEActivate
Additive White Gaussian NoiseADDMDAddress Mask
Address ResolutionADMDAdministrative Domain (AD)
AESAETAFP
AgentAlgorithmsAliasing
AlmanacAmerican National Standards Institute (ANSI)Amplifier
Amplitude Modulation (AM) Analog Analog-to-Digital Conversion (ADC)
ANIK Antenna Anti-taping
Anywhere fixAOWAperture
APIApoapsisApogee
Apogee Kick Motor (AKM) APPCAppleTalk
APRApsisArchie
ARGP (Argument of the perigee)ARPAAscending Node
ASNIIAspect RatioAssociate
ATMAtmospheric DragAttenuation
Attitude Control AttributeAudio Subcarrier
AUI Connector (Attachment Unit Interface)Automatic Category Epoch Creation (AUTOCAT)Automatic Frequency Control (AFC)
Automatic Gain Control (AGC) Autonomous SystemAvailability
AZ/EL Mount Azimuth Backbone
Backhaul Backoff Band Pass Filter
Bandwidth Base StationBaseband
BaselineBaud Beacon
Beamwidth BearingBER
B-FrameBGPBig-endian
Bird BISDNBit
Bit Error Rate Bit Rate Bit Stream
BITNETBlackout CircleBlanking
Block Down Converter B-Mac BNC Connector (Bayone-Neill-Concelman)
BOCBOOTPBPSK
BridgeBroad beam Broadband
BroadcastBroadcast StormBrouter
BSDBusiness Television Byte
C Band C/A codeC/N
C/No C/TCable
Cable AffiliateCachingCarrier
Carrier Frequency Carrier PhaseCarrier to Noise Ratio (C/N)
Carrier-aided trackingCassegrain Antenna Category Epoch
Category Epoch NumberCatenetCATNIP
CCITTCCRCDMA
CD-ROMChannel Chrominance
CIDRCircular Error Probable (CEP)Circular Polarization
CIXClamp Clarke Orbit
Client-server modelCLNPClock bias
CLTPCMIPCMOT
Coarse Acquisition (C/A)Coaxial CableCode phase
Codec CodingCo-Location
Color SubcarrierCommon CarrierCommunity Antenna Television (CATV)
Companding Component VideoComposite Baseband
Composite VideoCompressionConcentrator
Connection-orientedCONSConstellation
Control pointConus Core Gateway
COSCOSINECourse Made Good (CMG)
Cross ModulationCrosstrack Error (XTE)CSMA/CA
CSMA/CDCSNETCSU
Cycle slipDAMA DAP
DARPAData Link LayerData message
Data Stream ProtocolDataloggerdBi
DBS dBW DCA
DCEDCLDDN
DECDecibel (dB) Declination
DeclinationDECnetDecoder
Decoder UnitDecoding (process)Deemphasis
Delay Delta-vDemodulator
Descending NodeDeviation Differential GPS (DGPS)
Differential positioningDigital Digital Component Video
Digital Composite VideoDigital Speech Interpolation Dilution of Precision (DOP)
DISADITDithering
DNDNSDolby
DomainDoppler-aidingDoppler-shift
Dotted Decimal NotationDownlink Drift Orbit
DSADSEDSU
DTV DUADual Spin
Dumb TerminalDuplex Transmission DVB
DVCDynamicDynamic positioning
E1 E3 EAR
Earth Station EBONEEccentric Anomaly (E)
Eccentricity (e)Echo Canceller Echo Effect
EclipseEclipticECM
ECMAEdge of Coverage EGP
EIEIRP Electronic Frontier Foundation (EFF)
Elevation E-mailEMM
EncapsulationEncode/DecodeEncoder
EncrypteEncryptionEnd system
End userEntityEOL
EphemerisEphemeris ErrorsEphemeris Time (ET)
EpochEquatorial Orbit Equinox
ESC ES-ISEstimated Time Enroute (ETE)
Estimated Time of Arrival (ETA)EthernetEUnet
EUUGEWOSExpansion Slot
F/D FARNETFast Ethernet
FDDIFDMA FEC
Federal Radionavigation Plan (FRP)Feed Feedhorn
Fiber Optic CableFieldFile Server
FilterFingerprintingFIPS
FIX FixFixed Key
FlameFM FM Threshold
FNCFocal Length Focal Point
Footprint Forward Error Correction (FEC)FPM
FragmentationFrameFrame Rate
Frame RelayFrequency Frequency Coordination
FRICCFSSFTAM
FTPG/T Gain
GateDGatewayGeneration
Geodetic surveysGeometric Dilution of PrecisionGeostationary
Geosynchronous Gigabyte (GB)Gigahertz (GHz)
GIS (Geographic Information System)GIXGlobal Beam
Global Navigation Satellite System (GLONASS)Global Positioning System (GPS)Gopher
GOSIPGPSGregorian Dual
GridGround SpeedGuard Channel
GUIHalf Transponder HDTV
Headend HeaderHertz (Hz)
Hohmann TransferHopHost
Hour AngleHub I/O
IABIANAIBS
ICMPIEEEIESG
IETFIFIPIGP
IGRPIMSInclination
Inclination of an OrbitInclined OrbitInfrared
INMARSAT INTAPINTELSAT
Interference Interlaced VideoIntermediate System
InternetInternet AddressInternet Society (ISOC)
Intra-coded (I) PicturesIONLIP
IP DatagramIPGIPng
IPPVIPSIPX
IRD IRTIRTF
ISDN - Integrated Services Digital Network. IS-ISISO
IsochronousISODEIsotropic Antenna
ITU Jammer - JANET
JPEG Julian Date (JD)JUNET
Ka Band Ka9QKbps
Kelvin (K) Keplerian ElementsKepler's Equation
KerberosKermitKey Synchronization
KeylistKilohertz (kHz) Kinematic positioning
Klystron Ku Band L1 frequency
LAN (Lcal Area Network)LATALatitude
L-Band Leased Line Life-After-Death (LAD)
Line Of NodesLinear BusLittle-endian
Local TimeLocalTalkLongitude
Longitudinal Time CodeLow Noise Amplifier (LNA) Low Noise Block Downconverter (LNB)
LTCLuminanceMAC (A, B, C, D2)
MacroblockMail ExploderMail Gateway
Major Axis of an EllipseMAN (Metropolitan Area Network)MAP
Margin MartianMask Angle
Master Antenna Television (MATV) MAU (Multistation Access Unit)MBONE
MbpsMCMCS
Mean Anomaly (M)Megahertz (MHz) Message
Message StreamMHSMHz
MIBMicrowave Microwave Interference
MILNETMIME Modem (Modulator/Demodulator)
Modulation Modulator Motion Compensation
Motion EstimationMotion VectorMPEG
MPEG-2MPEG-2 MP@HL MPS
MSSMTAMTU
Multicast Multi-channel receiverMulti-homed host
MultipathMultipath errorMultiplex
MultiplexerMultiplexing Multiplexing channel
NADFNAKName Resolution
NAVSTARNetBIOSNetwork Address
Network Byte OrderNetwork Interface Card (NIC)Network Layer
Network ModemNetwork Operating System (NOS)Network Time Protocol (NTP)
NFSNICNIST
NMSNOCNode
Node DevicesNode RotationNoise
Noise Figure (NF) NRENNSAP
NSFNSFNETNTSC - National Television Standards Committee
OCtetOEMOff-line
OIWONCOn-line
On-line w/BackupOrbital Period Osculating Orbit
OSFOSIOSI network Address
OSI Presentation AddressOSPFPacket
Packet StreamPacket Switching Packetized Elementary Stream
PAL - Phase Alternation System Parabolic Antenna PCI
PCMPCMCIAP-code
Peer-toPeer NetworkPelPeriapsis
PerigeePeriod (T)Perturbation
PESPhase-Locked Loop (PLL) Physical Layer
Physical MediaPhysical TopologyPID
PIDACPingPM
PMBPoint-to-PointPolar Mount
Polar Orbit Polarization Polarization Rotator
PortPOSIPosition
Positional Dilution of Precision (PDOP)Post-processed differential GPSPPP>
PrecessionPrecise Positioning Service (PPS)Prediction
Predictive-coded (P) PicturesPresentation addressPresentation Layer
PRMDPrograde OrbitProgram
Progressive VideoProsperoProtocol
ProxyProxy ARPPseudo-lite
Pseudo-random noise (PRN)Pseudo-rangePSK
PSNPTT - Post Telephone and Telegraph Administration Pulse Code Modulation
QAMQPSK - Quadrature Phase Shift Keying QUIPU
RAID (Redundant Array of Inexpensive Disks)Rain Outage RAM (Random Access Memory)
RangeRARERARP
Ratings DataRBOCReal Time Kinematic (RTK)
Real-time differential GPSReassemblyReceiver (Rx)
Receiver Sensitivity Relative positioningRepeater
ReplicationRetrograde OrbitRFC
RFSRight Ascension of the Ascending Node (RAAN)Right Ascention
RINEXRIPRIPE
RJ-45RloginROSE
RoutedRouter Rover
RPCRTFMRTSE
SACSamplingSAP
Satellite Satellite constellationSC
Scalar Feed SCMSCPC
ScrambledScrambler Secam
SECAMSegmentSelective availability (S/A)
SelectorSemi-Major Axis of an EllipseServer
ServiceService ComponentService Control Channel
Session LayerSFD - Stauration Flux Density SGMP
ShadowingSID/AMOLSidelobe
Sidereal TimeSignal to Noise Ratio (S/N) Simplex Transmission
Single-Channel-Per-Carrier (SCPC) SIPPSkew
Slant Range SliceSLIP
Slot SMATVSMDS
SMISMPTESMPTE Card
SMTSMTPSNA
Sneaker-NetSNG SNMP
SNMPv2Snow Socket
Solar Outage Source KeylistSpace segment
SPAGSpectrum Speed of Data Transfer
Spillover Spin Stabilization Splitter
Spot Beam Spread Spectrum SQL
SSPA Standard positioning service (SPS)Star Topology
Star-Wired RingStatic positioningStationkeeping
StreamSubcarrier Subnet mask
SubnetworkSynchronization (Sync) Synchronous
T1 T3 Channel (DS-3) TAM
Tape Back-upTCPTCP/IP
TDMA TelnetTerminator
The X Window SystemThree-way-handshakeTI - Terrestrial Interference
TokenToken RingTOP
TP4TPOTrack (TRK)
TransactionTransceiverTransfer Syntax
Transmission KeyTransmitter Transponder
Transport LayerTransport MultiplexTree Topology
True AnomalyTSODATSP
TUBATVRO Tweeking
Twisted PairTWT (Traveling-wave tube) TWTA (Traveling-wave-tube amplifier)
UAUCSUCSMANAGER
UDPUnicast Unit Address
Unit keyUnit keylistUniversal Time (UT)
Universal Transverse Mercator (UTM)UnscrambledUplink
User segmentUTCUUCP
V.35 VAXVCM
Velocity Made Good (VMG) Vernal Equinox DirectionVirtual Channel
Virtual Channel Map (VCM)VITCVITS
VMSVSAT VSWR
VTWAASWAIS
WAN (Wide Area Network)Waveguide White Noise
WKEWKPWKU
WorkgroupWorking KeyWorkstation
World-Wide Web (WWW)X RecommendationsX.25
X/OpenXDRXTE
Y/CZBTSIZulu Date
Zulu Time
 
 

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