navigation acronyms, abbreviations and definitions - International ...

LORAN LOng RAnge Navigation
LORAN-C is a terrestrial pulsed hyperbolic system in band 90-110kHz.
LORAPP Loran Accuracy Panel (US FAA)
LOREG Loran/Eurofix/EGNOS (Norwegian test and evaluation plan)
LORIPP Loran Integrity Panel (US FAA)
LORSTA Loran station
LOS line-of-sight
Loxodrome rhumb line
LPM Loran Propagation Model (software package)
LPST Low Power SSR Transponder
LPV Lateral Precision with Vertical Guidance (landing system)
Uses GPS/WAAS. Requires 40 m HAL and 50 m VAL protection.
LR long range
LRC Long Range Certificate (for GMDSS MF/HF equipment)
LRIP low rate initial production
LRIT long range identification and tracking (of ships)
LRK long-range kinematic (of GPS)
LRM line-replaceable module
LRNS long range navigation system
LROPS long-range operations
LRP LORAN-C Recapitalization Project (US - $120 million)
LRU line-replaceable unit
LRUC Lorry Road User Charge (UK programme of HM Customs & Excise)
LS leap seconds (=TAI - UTC; was +32s Nov 00)
LS least square
LSB least significant bit
LSF leap seconds future
LSI large scale integration (of chips)
LSR least squares residual
LSU Loran Support Unit (USCG)
LSVA Swiss Heavy Vehicle Free Area
LT local time
LTE Long Term Evolution (next-generation mobile broadband technology)
LTF Legal Task Force (EUROCONTROL)
LTMA London Terminal Manoeuvring Area (ATC)
LTP LAAS Test Prototype (US)
LTP local transport plan
LUCH Russian geo sats (5) providing comms & GLONASS diff corrections.
Also known as ‘Altair’.
LUT local user terminal (COSPAS-SARSAT)
LV light vessel
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March 2012