PDS_VERSION_ID = PDS3 RECORD_TYPE = STREAM OBJECT = TEXT INTERCHANGE_FORMAT = ASCII PUBLICATION_DATE = 2001-09-01 NOTE = "This document gives a list of definitions and acronyms used by XGRS personnel." END_OBJECT = TEXT AL X-ray Spectrometer: Aluminum Detector ANTICO Gamma-ray Spectrometer: Anti-Coincidence APL Applied Physics Laboratory AVG Average BGO Bismuth Germanate CH Channel CMD Command CTP Command and Telemetry Processing DER Derived Engineering DPU Data Processing Unit DSN Deep Space Network DQI Data Quality Index ENG Engineering ESC Escape ET Ephemeris Time FCT Function FLG Flag FOV Field of View FTP File Transfer Protocol GCR Galactic Cosmic Rays GAS PC Gas Proportional Counter Detector GRS Gamma Ray Spectrometer GSFC Goddard Space Flight Center LT Light Time HDF Hierarchical Data Format HK Space Craft, Instrument House Keeping Parameters HVPS High Voltage Power Supply I*4 Signed Integer 4 byte parameter = 32 bits JPL Jet Propulsion Laboratory keV Kilo Electron Volts LLD Lower Level Discriminator MET Mission Elapsed Time MeV Mega Electron Volts MG X ray Spectrometer: Magnesium Detector NAI Sodium Iodide NAIF Nasa Ancillary Information Facility NASA National Aeronautics and Space Administration NC Neutron Capture Radiation NR Natural Radioactivity Radiation NEAR Near Earth Asteroid Rendezvous POS Position PIN X-ray Spectrometer: Silicon PIN Detector QueryID Query IDentifier file served by Relational Database Management System R*4 Floating Point 4 byte Parameter = 32 bits RDBMS Relational Database Management System RT Rise Time SC Space Craft SCI Science SDC Applied Physics Laboratory, Science Data Center SPICE Spacecraft - Planetary - Instrument - C-matrix - Ephemerides TBD To Be Decided UA University of Arizona UA-LPL University of Arizona - Lunar and Planetary Laboratory UA-RDBMS University of Arizona - Relational Database Management System UNF X-ray Spectrometer: Unfiltered Detector WWW World Wide Web XDR eXternal Data Representation XGRS X-ray and Gamma-ray Spectrometer XRS X-ray Spectrometer Level-2 parameter specific definitions and derivations are provided in the: "NEAR XRS Level 2 Requirements Specification" in the XRS DOCUMENT section "NEAR GRS Level 2 Requirements Specification" in the GRS DOCUMENT section