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The A - Z of Telephone Accronyms

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L
LAES Lawfully Authorized Electronic Surveillance
LAN Local Area Network (for computer systems)
LAPLPS North American Presentation Level Protocol Standard (Vidtex)
LATA Local Access & Transport Area (FCC common carrier term)
LAWS Local Access Wireless Standard
LBN Local Broadcast Network
LBR Low Bit Rate
LC Library of Congress (also LOC)
LC Inductor-Capacitor Circuit
LCD Liquid Crystal Display
LCR Level Crossing Rate
LCU Line Coupling Unit in transmission systems
LDR Light-Dependent Resistor
LDTV Limited Definition Television
LEC Local (Telephone) Exchange Carrier
LECs local exchange carriers
LED Light Emitting Diode
LEDE Live End - Dead End (studio/control room acoustics)
LEO Low Earth Orbit (satellite)
LEOS Low Earth Orbit Satellite
LF Low Frequency (30 kHz to 300 kHz used in AM broadcasting)
LFA Local Franchise Authority
LFCC Local Frequency Coordinating Committee
LIDIA Local ID Insertion Automatically
LMA Local Management Agreement (between broadcast licensees)
LMCC Land Mobile Communications Council
LMCS Local Multipoint Communications System
LMDS Local Multipoint Distribution Service
LMRS Land Mobile Radio Service
LMS Land Mobile Service
L-MSK Level-controlled Minimum Shift Keying
LMSS Land Mobile Satellite Service
LNA Low Noise Amplifier
LNB Low Noise Block (cable system down converter)
LNC Low Noise Converter
LNP Local Number Portability (e.g. cellular phones)
LO Local origination (channel)
LO Local Oscillator (used in receivers)
LOC Library of Congress (also LC)
LOI Letter of Inquiry (FCC procedure)
LOP Least objectionable Program
LOS Line-Of-Sight
LP Long Play Phonograph Recording (33-1/3 rpm microgroove)
LP Local Primary (for EAS Operations)
LPAS Low Power Auxiliary Service/Station (for broadcast use)
LPC Laser Power Controller (used in digital CD & MD recorders)
LPF Low Pass Filter
LPRS Low Power Radio Service
LPTV Low Power Television
LRC Local Residential Customer (telephone service)
LS Local Sunset (as used in FCC AM station authorizations)
LS Long Shot (view in video or film production)
LSB Least Significant Bit (in digital coding)
LSGAC Local-State Government Advisory Committee (of FCC)
LSI Large Scale Integrated Circuit
LSOC Local Station Ownership Coalition
LTC Linear Time Code
LTC Longitudinal Time Code
LTU Line Tuning Unit in transmission systems
LUC Lowest Unit Charge (broadcast advertising rate)
LUF Lowest Usable Frequency (in HF broadcasting)
LULAC League of United Latin American Citizens


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