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Werner Gurtner (1998) - RINEX: The Receiver Independent Exchange Format Version 2

Example of Observation and Navigation Data files in RINEX format
Παράδειγματα, αρχείου μετρήσεων GPS και αρχείου στοιχείων τροχιακής εφημερίδας των δορυφόρων GPS, στη μορφή RINEX

RINEX VERSION 2 FORMAT DEFINITIONS

TABLE A1
OBSERVATION DATA FILE - HEADER SECTION DESCRIPTION

Records marked with * are optional

	HEADER LABEL (Columns 61-80)	DESCRIPTION	FORMAT
	RINEX VERSION / TYPE	- Format version (2) - File type ('O' for Observation Data) - Satellite System: blank or ' G ': GPS R : GLONASS T : NNSS Transit M : Mixed	I6,14X, A1,19X, A1,19X
	PGM / RUN BY / DATE	- Name of program creating current file - Name of agency creating current file - Date of file creation	A20,A20,A20
*	COMMENT	Comment line(s)	A60
	MARKER NAME	Name of antenna marker	A60
*	MARKER NUMBER	Number of antenna marker	A20
	OBSERVER / AGENCY	Name of observer / agency	A20,A40
	REC # / TYPE / VERS	Receiver number, type, and version (Version: e.g. Internal Software Version)	3A20
	ANT # / TYPE	Antenna number and type	2A20
	APPROX POSITION XYZ	Approximate marker position (WGS84)	3F14.4
	ANTENNA: DELTA H/E/N	- Antenna height: Height of bottom surface of antenna above marker - Eccentricities of antenna center relative to marker to the east and north (all units in meters)	3F14.4
	WAVELENGTH FACT L1/2	- Wavelength factors for L1 and L2 1: Full cycle ambiguities 2: Half cycle ambiguities (squaring) 0 (in L2): Single frequency instrument - Number of satellites to follow in list 0: Default wavelength factors Max 7. If more than 7 satellites: Repeat record. - List of PRNs (satellite numbers)	2I6,I6,7(3X,A1,I2)
	# / TYPES OF OBSERV	- Number of different observation types stored in the file - Observation types The following observation types are defined in RINEX Version 2: L1, L2: Phase measurements on L1 and L2 C1 : Pseudorange using C/A-Code on L1 P1, P2: Pseudorange using P-Code on L1,L2 D1, D2: Doppler frequency on L1 and L2 T1, T2: Transit Integrated Doppler on 150 (T1) and 400 MHz (T2) Observations collected under Antispoofing are converted to "L2" or "P2" and flagged with bit 2 of loss of lock indicator (see Table A2). Units : Phase : full cycles Pseudorange : meters Doppler : Hz Transit : cycles The sequence of the types in this record has to correspond to the sequence of the observations in the observation records	I6,9(4X,A2)
*	INTERVAL	Observation interval in seconds	I6
	TIME OF FIRST OBS	Time of first observation record year (4 digits), month,day,hour,min,se	5I6,F12.6
*	TIME OF LAST OBS	Time of LAST observation record year (4 digits), month,day,hour,min,sec	5I6,F12.6
*	# OF SATELLITES	Number of satellites, for which observations are stored in the file	I6
*	PRN / # OF OBS	PRN (sat.number), number of observations for each observation type indicated in the "# / TYPES OF OBSERV" - record. This record is repeated for each satellite present in the data file	3X,A1,I2,9I6
	END OF HEADER	Last record in the header section.	60X

TABLE A2
OBSERVATION DATA FILE - DATA RECORD DESCRIPTION

OBS. RECORD

DESCRIPTION

FORMAT

EPOCH/SAT or EVENT FLAG

- Epoch : year (2 digits), month,day,hour,min,sec
- Epoch flag 0: OK

1: power failure between

previous and current epoch

>1: Event flag
- Number of satellites in current epoch
- List of PRNs (sat.numbers) in current epoch

If more than 12 satellites: Continued

in next line with n(A1,I2)
- receiver clock offset (seconds, optional)

If EVENT FLAG record

(epoch flag > 1):
- Event flag:

2: start moving antenna

3: new site occupation

(end of kinem. data)

(at least MARKER NAME record

follows)

4: header information follows

5: external event (epoch is significant)

6: cycle slip records follow

to optionally report detected

and repaired cycle slips

(same format as OBSERVATIONS

records; slip instead of observation;

LLI and signal strength blank)
- "Number of satellites" contains number of
records to follow (0 for event flags 2,5)

5I3,F11.7,

I3,

12(A1,I2),

F12.9

OBSERVATIONS

- Observation
- LLI
- Signal strength
(rep. within record for each obs. type (same seq. as given in header)

If more than 5 observation types (=80 char): continue observations in next record.

This record is (these records are) repeated for each satellite given in EPOCH/SAT - record.

Observations:
Phase : Units in whole cycles of carrier
Code : Units in meters
Missing observations are written as 0.0 or blanks.

Loss of lock indicator (LLI).
Range: 0-7
0 or blank: OK or not known
Bit 0 set : Lost lock between previous and current observation: cycle slip possible

Bit 1 set : Opposite wavelength factor to the one defined for the satellite by a previous WAVELENGTH FACT L1/2 line. Valid for the current epoch only.

Bit 2 set : Observation under Antispoofing (may suffer from increased noise)

Bits 0 and 1 for phase only.

Signal strength projected into interval 1-9:

1: minimum possible signal strength

5: threshold for good S/N ratio

9: maximum possible signal strength

0 or blank: not known, don't care

m(F14.3,

I1,

I1)

TABLE A3
NAVIGATION MESSAGE FILE - HEADER SECTION DESCRIPTION

Records marked with * are optional

	HEADER LABEL (Columns 61-80)	DESCRIPTION	FORMAT
	RINEX VERSION / TYPE	- Format version (2) - File type ('N' for Navigation data)	I6,14X, A1,19X
	PGM / RUN BY / DATE	- Name of program creating current file - Name of agency creating current file - Date of file creation	A20, A20 A20
*	COMMENT	Comment line(s)	A60
*	ION ALPHA	Ionosphere parameters A0-A3 of almanac (page 18 of subframe 4)	2X,4D12.4
*	ION BETA	Ionosphere parameters B0-B3 of almanac	2X,4D12.4
*	DELTA-UTC: A0,A1,T,W	Almanac parameters to compute time in UTC (page 18 of subframe 4) A0,A1: terms of polynomial T : reference time for UTC data W : UTC reference week number. Continuous number, not mod(1024)!	3X,2D19.12, 2I9
*	LEAP SECONDS	Delta time due to leap seconds	I6
	END OF HEADER	Last record in the header section.	60X

TABLE A4
NAVIGATION MESSAGE FILE - DATA RECORD DESCRIPTION

Records marked with * are optional

HEADER LABEL (Columns 61-80)	DESCRIPTION	FORMAT
PRN / EPOCH / SV CLK	- Satellite PRN number - Epoch: Toc - Time of Clock year (2 digits) month day hour minute second - SV clock bias (seconds) - SV clock drift (sec/sec) - SV clock drift rate (sec/sec2)	I2, 5I3, F5.1, 3D19.12
BROADCAST ORBIT - 1	- IODE Issue of Data, Ephemeris - Crs (meters) - Delta n (radians/sec) - M0 (radians)	3X,4D19.12
BROADCAST ORBIT - 2	- Cuc (radians) - e Eccentricity - Cus (radians) - sqrt(A) (sqrt(m))	3X,4D19.12
BROADCAST ORBIT - 3	- Toe Time of Ephemeris (sec of GPS week) - Cic (radians) - OMEGA (radians) - CIS (radians)	3X,4D19.12
BROADCAST ORBIT - 4	- i0 (radians) - Crc (meters) - omega (radians) - OMEGA DOT (radians/sec)	3X,4D19.12
BROADCAST ORBIT - 5	- IDOT (radians/sec) - Codes on L2 channel - GPS Week # (to go with TOE) Continuous number, not mod(1024)! - L2 P data flag	3X,4D19.12
BROADCAST ORBIT - 6	- SV accuracy (meters) - SV health (MSB only) - TGD (seconds) - IODC Issue of Data, Clock	3X,4D19.12
BROADCAST ORBIT - 7	- Transmission time of message (sec of GPS week, derived e.g. from Z-count in Hand Over Word (HOW) - spare - spare - spare	3X,4D19.12

TABLE A5
METEOROLOCICAL DATA FILE - HEADER SECTION DESCRIPTION

Records marked with * are optional

	HEADER LABEL (Columns 61-80)	DESCRIPTION	FORMAT
	RINEX VERSION / TYPE	- Format version (2) - File type ('M' for Meteorological Data)	I6,14X, A1,39X
	PGM / RUN BY / DATE	- Name of program creating current file - Name of agency creating current file - Date of file creation	A20,A20,A20
*	COMMENT	Comment line(s)	A60
	MARKER NAME	Name of antenna marker	A60
*	MARKER NUMBER	Number of antenna marker	A20
	# / TYPES OF OBSERV	- Number of different observation types stored in the file - Observation types The following meteorological observation types are defined in RINEX Version 2: PR : Pressure (mbar) TD : Dry temperature (deg Celsius) HR : Relative Humidity (percent) ZW : Wet zenith path delay (millimeters) (for WVR data) The sequence of the types in this record must correspond to the sequence of the measurements in the data records If more than 9 observation types are being used, use continuation lines with format (6X,9(4X,A2))	I6, 9(4X,A2)
	MET SENSOR MOD/TYPE	Description of the met sensor - Model (manufacturer) - Type - Accuracy (same units as obs values) - Observation type Record is repeated for each observation type found in # / TYPES OF OBSERV record	A20, A20,6X, F7.1,4X, A2,1X
	MET SENSOR POS XYZH	Approximate position of the met sensor (ITRF or WGS-84) - Geocentric coordinates X,Y,Z - Ellipsoidal height H - Observation type Set X,Y,Z to zero if not known. Make sure H refers to ITRF or WGS-84! Record required for barometer, recommended for other sensors.	3F14.4, 1F14.4, 1X,A2,1X
	END OF HEADER	Last record in the header section.	60X

TABLE A6
METEOROLOGICAL DATA FILE - DATA RECORD DESCRIPTION

Records marked with * are optional

	OBS. RECORD	DESCRIPTION	FORMAT
	EPOCH / MET	- Epoch in GPS time (not local time!) year (2 digits), month,day,hour,min,sec - Met data in the same sequence as given in the header More than 8 met data types: Use continuation lines	6I3, mF7.1 4X,10F7.1,3X

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	Werner Gurtner (1998) - RINEX: The Receiver Independent Exchange Format Version 2
	Example of Observation and Navigation Data files in RINEX format Παράδειγματα, αρχείου μετρήσεων GPS και αρχείου στοιχείων τροχιακής εφημερίδας των δορυφόρων GPS, στη μορφή RINEX