ABBREVIATIONS - L
| L2TP | Layer 2 Tunneling Protocol | | LAC | Local Area Coverage | | LAMAR | Large Area Modular Array of Reflectors | | LAMMR | Large Antenna Multifrequency MW Radiometer | | LAN | Local Area Network | | LAP | Link Access Protocol | | LAPB | Link Access Procedure Balanced | | Lat | Latitude | | LBRDC | Low Bit Rate Data Communications | | LCC | Launch Control Centre | | LCD | Liquid Crystal Display | | LDM | Linear Delta Modulation | | LDTS | Low Density Telephony Service | | LDTV | Limited Definition Television | | LED | Light Emitting Diode | | LEO | Low Earth Orbit | | LES | Land Earth Station | | LF | Line Feed | | LHA | Local Hour Angle | | LHCP | Left Hand Circular Polarisation | | LL | Low Load | | LLC | Logical Link Control | | LMA | Limited Motion Antenna | | LMDS | Local Multipoint Distribution Service | | LMES | Land Mobile Earth Station | | LMSS | Land Mobile Satellite Service | | LMT | Local Mean Time | | LNA | Low Noise Amplifier | | LNB | Low Noise Block downconverter | | LNBF | Low Noise Block with integrated Feed | | LNC | Low Noise Converter | | LNR | Low Noise Receiver | | LO | Local Oscillator | | LOF | Local Oscillator Frequency | | Lon | Longitude | | LOR | Loran | | LOS | Line of Sight | | LOS | Loss of Signal | | LOX | Liquid Oxygen | | LP | Linear Polarisation | | LPC | Linear Predictive Coding | | LPF | Low Pass Filter | | LPS | Launch Process System | | LRE | Low Rate Encoding | | LRU | Line Replaceable Unit | | LS | Letter Shift | | LS | Link Switch | | LSB | Least Significant Bit | | LSC | Line Signalling Channel | | LSE | Line Signalling Equipment | | LSG | Large Signal Gain | | LSI | Large Scale Integration | | LSM | Line Switch Marker | | LSO | Line Signalling Oscillator | | LTC | Loi Sur Les Télécommunications | | LTOM | Less Than One Minute | | LTOS | Less Than One Second |
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