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ME Consultancy are proud to be BT's Growth Partner of The Year 2003-2004
| 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 |