Structure of a stream record in sourcetable.

Data Field #	Element	Description	Content
1	type	Indicator of a stream description	Content: STR
2	mountpoint	Datastream mountpoint	Characters A-Z, a-z, 0-9, -, _, .
3	identifier	Source identifier (most time nearest city)	Text
4	format	Data format (see data formats table below)	Text
5	format-details	Specifics of data format (see data formats table below)	Text
6	carrier	Phase information (see carrier table below)	Number
7	nav-system	Navigation System (see navigation systems table below)	Text
8	network	network name (see NET description)	Text
9	country	ISO 3166 country code	3 characters
10	latitude	Position, Latitude in degree	decimal number, two digits after dot
11	longitude	Position, Longitude in degree	decimal number, two digits after dot
12	nmea	Caster accepts NMEA input (1) or not (0)	Content: 1 or 0
13	solution	Generated by single base (0) or network (1)	Content: 1 or 0
14	generator	Generating soft- or hardware	Text
15	compression	Compression algorithm	Text
16	authentication	access protection for data strames None (N), Basic (B) or Digest (D)	Content: B, D, N or a comma separated list of these
17	fee	User fee for data access: yes (Y) or no (N)	Content: Y or N
18	bitrate	Datarate in bits per second	Number
19	misc	Miscellaneous information	Text

Data Formats

The Format field describes the generic type, the Format Details field specifies individual data sets (separated by comma) and also data rate (in round brackets).

Format	Format Details	Comment
RAW	JPS	Javad realtime streaming format
RAW	LB2	Leica realtime streaming format
RAW	RT17	Trimble realtime streaming format
RAW	RT27	New Trimble realtime streaming format (other messages as RT17, but same format)
RAW	SBF	Septentrio realtime streaming format
RTCM 2.1	1(3),9(30),...	RTCM2 data streaming with data specification (messages FIXED:1-3,5-7,9,16, Tentative:8,13,17-21,59)
RTCM 2.2	18(1),19(1),...	RTCM2 data streaming with data specification (messages FIXED:1-3,5-7,9,16,18,19,59, Tentative:4,8,13-15,17,20-22,31-37)
RTCM 2.3	18(1),19(1),...	RTCM2 data streaming with data specification (messages FIXED:1-3,5-7,9,14-21,27,59, Tentative:4,8,13,22-24,31-37)
RTCM 3.0	1004(1),1008(10),...	RTCM3 data streaming with data specification (messages 1001-1013)
RTCM 3.1	1004(1),1008(10),...	RTCM3 data streaming with data specification (messages 1001-1039, 1057-1068, 4001-4095)
RTCM 3.2	1004(1),1008(10),...	RTCM3 data streaming with data specification (messages 1001-1039, 1057-1068, 1071-1230, 4001-4095)

NOTE: Incomplete, needs to be extended!

Carrier

This data field is only useful for data streams containing GNSS measurements or corrections.

Values need update for newer GNSS systems.

Carrier	Comment
0	No phase information included
1	L1 phase included
2	L2 phase included

Navigation System

Multiple system get joined with a + sign (e.g. GPS+GLO).

NavSystem	Comment
BDS	Chinese BeiDou (Compass)
GAL	European Galileo
GLO	Russian GLONASS
GPS	US NAVSTAR GPS
QZS	Japanese QZSS
SBAS	Augmentations system SBAS (WAAS, EGNOS, GAGAN, MSAS, SDCM)