GPS Stuff

GPS Acronyms

Below is a list of acronyms that you may come across while playing with GPS technologies.

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Acronym Details
L1 The 1575.42 MHz GPS carrier frequency including C/A and P Code
L1 GPS Carrier Frequency, 1575.42 MHz
L2 The 1227.60 MHz secondary GPS carrier frequency (P Code only)
L2 GPS Carrier Frequency, 1227.6 MHz
L2C The L2 civilian code transmitted at the L2 frequency (1227.6 MHz)
L5 3rd civil GPS frequency that tracks at low signal-to-noise ratios (1176.45 MHz)
LAAS Local Area Augmentation System
LAN Local Area Network
Lat Latitude
Lat/Lon Latitude/Longitude
LCD Liquid Crystal Display
LED Light Emitting Diode
LEO Low Earth Orbit
LF Low Frequency
LGF LAAS Ground Facility
LHCP Left Hand Circular Polarization
LIS Land Information System
LME Line Maintenance Equipment
LNA Low Noise Amplifier
LO Local Oscillator
Lon Longitude
LOP Line Of Position
Loran Long Range Navigation
LOS Line Of Sight
LRU Line Replacement Unit
LSB Least significant bit
LVTTL Low Voltage Transistor Transistor Logic


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