Abbreviations



Abbreviations


CICESE

El Centro de Investigación Científica y de Educación Superior de Ensenada.


EPP

Enhanced Parallel Port or IEEE-1284.


FIFO

First In First Out queue, read or written by different processes.


FIR

Finite Impulse Response.


FPGA

Field Programmable Gate Array.


GPS

The Global Positioning System is a satellite based navigation system operated and maintained by the U.S. Department of Defense. By computing the distance to GPS satellites orbiting the earth, a GPS receiver can calculate an accurate position.


Gyro Compass

A high speed electric rotor, universally mounted in a gimbal system, maintains angular momentum to overcome normal bearing friction, and establishes a gyroscopically-stable datum reference relative to space. This type of electrical directional gyros is normally used in airplanes to provide a pilot with constant azimuth reference.


NARS

The Network of Autonomously Recording Seismographs maintained by Utrecht University.


OCXO

Oven Controlled X_tal Oscillator.


PCB

Printed Circuit Board.


POSIX

Portable Operating System Interface.


SEED

Standard for the Exchange of Earthquake Data.


USGS

The United States Geological Survey.


UTC

Universal Time Coordinated. Uniform atomic time system/standard.