NTRIP Caster control record

The output message record sets up the NTRIP Caster configuration. Setup of the NTRIP Caster also require setup of the appropriate output message record. The ABh commands can be used to query NTRIP Caster parameters and edit parameters.

The following table shows the additional records provided when the output message record is included with Command Packet 64h.

Byte	Item	Type	Value	Notes
0	RECORD TYPE	1 (Char)	3Eh	Output message record.
1	RECORD LENGTH	1 (Char)	≥11h	Number of bytes in record, excluding bytes 0 and 1. The number of bytes is dependent on the number of output specific flags.
2	ENABLED	1 (Char)	0x00: Disabled and old format 0x01: Enabled and old format 0x80: Disabled and new format 0x81: Enabled and new format	Enables the NTRIP caster and sets the format.

If new format (recommended):

Byte	Item	Type	Value	Notes
3	I/O port	1 (Char)		Indicates which I/O port this record is attached to (zero based). See NTRIP Caster port 1, 2 and 3.
4–5	TCP port	2 (Short)		Sets the TCP port which the caster operates on.
6	NMEA	1 (Char)	00h or 01h	Capability of Caster to receive NMEA message with approximate position from Client. 0: The connected Ntrip Client does not need to send the NMEA GGA to this caster to receive correction data. 1: The connected Ntrip Client must send the NMEA GGA to this caster to receive correction data.
7	Fee	n (Char) NUL terminated	N or Y end up with '\0'	User fee for receiving data streams from this network. For information purposes and does not affect operation. N: No user fee. Y: Usage is charged. The value is followed by a null terminator.
8–11	RESERVED	4 (Long)	Reserved to zero
	Mountpoint	n (Char) NUL terminated	Character string with ‘\0’	Sets the Mountpoint name. Space for 79 characters + null terminator.
	Identifier	n (Char) NUL terminated	Character string with ‘\0’	Caster identifier, name of provider. Space for 29 characters + null terminator.
	Format	n (Char) NUL terminated	Character string with ‘\0’	Indicates the stream format, e.g., CMR, CMRx, RTCM 3.3, RTCM 2.3, etc. Space for 19 characters + null terminator.
	Country	n (Char) NUL terminated	Character string with ‘\0’	Country code. Space for 3 characters + null terminator.
	Generator	n (Char) NUL terminated	Character string with ‘\0’	Name of institution / agency / company operating the network. Space for 19 characters + null terminator.
	SSL/TLS	1 (Char)	00h: Disable 10h: SSL Enable 20h: PEERAUTH Enabled

If old format (not recommended; minimally maintained and tested):

Byte	Item	Type	Value	Notes
3	I/O port	1 (Char)		Indicates which I/O port this record is attached to (zero based). See NTRIP Caster port 1, 2 and 3.
4–5	TCP port	2 (Short)		Sets the TCP port which the caster operates on.
6–85	Mountpoint	80 (Char)
86–115	Identifier	30 (Char)
116–135	Format	20 (Char)
136–139	Country	4 (Char)
140–159	Generator	20 (Char)
160	NMEA	1 (Char)	00h or 01h
161	Authentication	1 (Char)	N: None B: Basic D: Digest
162	Fee	1 (Char)	N: No Fee Y: Yes Fee