RINEX The Receiver Independent Exchange Format Version 3.04 International GNSS Service (IGS), RINEX Working Group and Radio Technical Commission for Maritime Services Special Committee 104 (RTCM-SC104) November 23, 2018 Acknowledgement: RINEX Version 3.02, 3.03 and 3.04 are based on RINEX Version 3.01, which was developed by: Werner Gurtner, Astronomical Institute of the University of Bern, Switzerland and Lou Estey, UNAVCO, Boulder, Colorado, USA. RINEX Version 3.04 i Table of Contents 0. REVISION HISTORY .............................................................................................................................. 1 1. THE PHILOSOPHY AND HISTORY OF RINEX .................................................................................. 9 2. GENERAL FORMAT DESCRIPTION ................................................................................................. 11 3. BASIC DEFINITIONS ........................................................................................................................... 12 3.1 Time .................................................................................................................................................. 12 3.2 Pseudo-Range ................................................................................................................................... 12 3.3 Phase ................................................................................................................................................. 12 Table 1: Observation Corrections for Receiver Clock Offset ............................................................. 13 3.4 Doppler ............................................................................................................................................. 13 3.5 Satellite numbers ............................................................................................................................... 13 4. THE EXCHANGE OF RINEX FILES ................................................................................................... 14 Figure 2: Recommended filename parameters. ................................................................................... 14 Table 2: Description of Filename Parameters ..................................................................................... 15 5. RINEX VERSION 3 FEATURES .......................................................................................................... 16 5.1 Observation codes ............................................................................................................................. 16 Table 3: Observation Code Components ............................................................................................ 16 Table 4 : RINEX Version 3.04 GPS Observation Codes .................................................................... 17 Table 5 : RINEX Version 3.04 GLONASS Observation Codes ......................................................... 18 Table 6 : RINEX Version 3.04 Galileo Observation Codes ............................................................... 19 Table 7 : RINEX Version 3.04 SBAS Observation Codes ................................................................. 19 Table 8 : RINEX Version 3.04 QZSS Observation Codes ................................................................. 20 Table 9 : RINEX Version 3.04 BDS Observation Codes ................................................................... 21 Table 10 : RINEX Version 3.04 IRNSS Observation Codes .............................................................. 22 5.2 Satellite system-dependent list of observables .................................................................................. 22 5.3 Marker type ....................................................................................................................................... 23 Table 11: Proposed Marker Type Keywords ...................................................................................... 23 5.4 Half-wavelength observations, half-cycle ambiguities ..................................................................... 24 5.5 Scale factor........................................................................................................................................ 24 5.6 Information about receivers on a vehicle .......................................................................................... 24 5.7 Signal strength .................................................................................................................................. 25 RINEX Version 3.04 ii Table 12: Standardized S/N Indicators ............................................................................................... 25 5.8 Date/time format in the PGM / RUN BY / DATE header record ..................................................... 25 5.9 Antenna phase center header record ................................................................................................. 26 5.10 Antenna orientation ......................................................................................................................... 26 5.11 Observation data records ................................................................................................................. 26 Table 13: Example Observation Type Records .................................................................................. 26 Table 14: Example Observation Data Records ................................................................................... 26 5.12 Ionosphere delay as pseudo-observables ........................................................................................ 27 Table 15: Ionosphere Pseudo-Observable Coding .............................................................................. 27 Table 16: Ionosphere Pseudo-Observable Corrections to Observations ............................................. 27 5.13 Channel numbers as pseudo-observables ........................................................................................ 27 5.14 Corrections of differential code biases (DCBs) .............................................................................. 28 5.15 Corrections of antenna phase center variations (PCVs) .................................................................. 28 5.16 Navigation message files ................................................................................................................ 28 Table 17: Example of Navigation File Satellite System and Number Definition Record .................. 28 Table 18: Example of Navigation File Header IONOSPHERIC CORR Record ................................ 28 6. ADDITIONAL HINTS AND TIPS ........................................................................................................ 29 6.1 Versions ............................................................................................................................................ 29 6.2 Leading blanks in CHARACTER fields ........................................................................................... 29 6.3 Variable-length records ..................................................................................................................... 29 6.4 Blank fields ....................................................................................................................................... 29 6.5 Order of the header records, order of data records............................................................................ 29 6.6 Missing items, duration of the validity of values .............................................................................. 30 6.7 Unknown / Undefined observation types and header records ........................................................... 30 6.8 Event flag records ............................................................................................................................. 30 6.9 Receiver clock offset ......................................................................................................................... 30 6.10 Two-digit years ............................................................................................................................... 30 6.11 Fit interval (GPS navigation message file) ..................................................................................... 31 6.12 Satellite health (GPS navigation message file) ............................................................................... 31 Table 19: Description of GPS Satellite Health Field .......................................................................... 31 6.13 Transmission time of message (GPS navigation message file)....................................................... 31 6.14 Antenna references, phase centers .................................................................................................. 31 RINEX 3.04.IGS.RTCM.doc 2018-11-23 RINEX Version 3.04 iii 7. RINEX UNDER ANTISPOOFING (AS) ............................................................................................... 32 8. DEALING WITH DIFFERENT SATELLITE SYSTEMS .................................................................... 33 8.1 Time system identifier ...................................................................................................................... 33 Table 20: Relationship between GPS, QZSS, IRN, GST, GAL, BDS and RINEX Week Numbers .. 34 Table 21: Constellation Time Relationships ......................................................................................