DGNSS message types

	Current status		Used
1	Fixed	Differential GPS Corrections	45
2	Fixed	Delta Differential GPS Corrections	28
3	Fixed	GPS Reference Station Parameters	286
4	Tentative	Reference Station Datum
5	Fixed	GPS Constellation Health	118
6	Fixed	GPS Null Frame	130
7	Fixed	DGPS Radiobeacon Almanac	262
8	Tentative	Pseudolite Almanac
9	Fixed	GPS Partial Correction Set	298
10	Reserved	P-Code Differential Corrections
11	Reserved	C/A-Code L1, L2 Delta Corrections
12	Reserved	Pseudolite (Pseudo-Satellite) Station Parameters
13	Tentative	Ground Transmitter Parameters
14	Fixed	GPS Time of Week
15	Fixed	Ionospheric Delay Message
16	Fixed	GPS Special Message	285
17	Fixed	GPS Ephemerides
18	Fixed	RTK (Real-Time Kinematic) Uncorrected Carrier Phases
19	Fixed	RTK Uncorrected Pseudoranges
20	Fixed	RTK Carrier Phase Corrections
21	Fixed	RTK/High-Accuracy Pseudorange Corrections
22	Fixed	Extended Reference Station Parameters
23	Tentative	Antenna Type Definition Record
24	Tentative	Antenna Reference Point (ARP)
27	Tentative	Extended Radiobeacon Almanac	29
28		Clock Ephemeris Covariance Matrix message
31	Tentative	Differential GLONASS Corrections	3
32	Tentative	Differential GLONASS Reference Station Parameters	3
33	Tentative	GLONASS Constellation Health	3
34	Tentative	GLONASS Partial Differential Correction Set or Null Frame	3
35	Tentative	GLONASS Radiobeacon Almanac	3
36	Tentative	GLONASS Special Message	3
37	Tentative	GNSS System Time Offset	3
59	Fixed	Proprietary Message
60	Fixed	Multipurpose Usage

e-Navigation Netherlands