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Abbreviations and Acronyms - L

L1 Legrange point 1
L2 Legrange point 2
L2TP Layer 2 Tunneling Protocol
LAC Local Area Coverage
LAI Location Area Identification
LAMAR Large Area Modular Array of Reflectors
LAMMR Large Antenna Multifrequency MW Radiometer
LAN Local Area Network
LAN Longitude of Ascending Node
LAP Link Access Protocol
LAPB Link Access Procedure Balanced
LAS Launch Abort System
Lat Latitude
LBRDC Low Bit Rate Data Communications
LCC Launch Control Centre
LCC Life Cycle Cost
LCD Liquid Crystal Display
LCF Launch Control Facility
LCH4 Liquid Methane
LCP Left-hand Circular Polarisation
LD Launch Director
LDA Launch Decision Authority
LDM Linear Delta Modulation
LDPC Low Density Parity Check
LDRO Lunar Distant Retrograde Orbit
LDTS Low Density Telephony Service
LDTV Limited Definition Television
LECP Low Energy Charged Particle detector
LED Light Emitting Diode
LEO Low Earth Orbit
LES Land Earth Station
LES Launch Escape System
LF Line Feed
LFBOT Luminous Fast Blue Optical Transient
LGA Low Gain Antenna
LH2 Liquid Hydrogen
LHA Local Hour Angle
LHCP Left Hand Circular Polarisation
LHP Loop Heat Pipe
LIBS Laser Induced Breakdown Spectroscopy
LiOH Lithium Hydroxide
LL Low Load
LLC Logical Link Control
LLO Low Lunar Orbit
LMA Limited Motion Antenna
LMC Large Magellanic Cloud
LMC Link Monitor and Control
LMO Low Mars Orbit
LMDS Local Multipoint Distribution Service
LMES Land Mobile Earth Station
LMO Low Mars Orbit
LMSS Land Mobile Satellite Service
LMT Local Mean Time
LN2 Liquid Nitrogen
LNA Low Noise Amplifier
LNB Low Noise Block downconverter
LNBF Low Noise Block with integrated Feed
LNC Low Noise Converter
LNG Liquified Natural Gas
LNR Low Noise Receiver
LO Local Oscillator
LOCV Loss of Crew and Vehicle
LOF Local Oscillator Frequency
LOI Lunar Orbit Insertion
LOL Limit Of Liability
LOM Loss Of Mission
Lon Longitude
LOR Loran
LOR Lunar Orbit Rendezvous
LOS Line of Sight
LOS Loss of Signal
LOV Loss Of Vehicle
LOX Liquid Oxygen
LP Linear Polarisation
LPC Linear Predictive Coding
Lpe Longitude of Periapsis
LPF Low Pass Filter
LPFTP Low Pressure Fuel Turbopump
LPG Liquified Petroleum Gas
LPS Launch Process System
LRB Liquid Rocket Booster
LRE Low Rate Encoding
LRR Launch Readiness Review
LRU Line Replaceable Unit
LS Letter Shift
LS Link Switch
LSA Launch Services Agreement
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
LSP Launch Services Provider
LSS Large Space Structure
LTC Loi Sur Les Télécommunications
LTE Long Term Evolution
LTOM Less Than One Minute
LTOS Less Than One Second
LTP Lunar Transient Phenomenon
LUT Launch Umbilical Tower
LV Launch Vehicle
LVDS Low Voltage Differential Signal
LWIR Long-Wave InfraRed
LZ Landing Zone

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