January 10, 2001

Profiler GPS-IPW message format

This message format is a modified subset of the proposed COST 716 standard BUFR message format for Processed GB-GPS Data, 2000.

Data Field	Element Name	Table B Descrip	Scale (10**n)	Reference (-n)	Width (Bits)	Units	Comments
1	Signify local descriptor	2 06 032					Next 32 bits local
2	IGS Station Ident	0 01 194	N/A	N/A	32	IA5	Stn Code (maybe blank)
3	Latitude (Hi Accuracy)	0 05 001	5	-9000000	25	Degrees	(3 1 022)
4	Longitude (Hi Accuracy)	0 06 001	5	-18000000	26	Degrees	(3 1 022)
5	Height of Station	0 07 001	0	-400	15	m	(3 1 022)
6	Year	0 04 001	0	0	12	year	(3 1 011)
7	Month	0 04 002	0	0	4	month	(3 1 011)
8	Day	0 04 003	0	0	6	day	(3 1 011)
9	Hour	0 04 004	0	0	5	hour	(3 1 012)
10	Minute	0 04 005	0	0	6	minute	(3 1 012)
11	Pressure	0 10 004	-1	0	14	Pa
12	Temperature	0 12 001	1	0	12	K
13	Relative Humidity	0 13 003	0	0	7	Percent
14	Signify local descriptor	2 06 016					Next 16 bits local
15	Total Delay	0 25 220	4	0	16	Meters
16	Signify local descriptor	2 06 009					Next 9 bits local
17	Error in Total Delay	0 25 221	4	0	9	Meters
18	Signify local descriptor	2 06 016					Next 16 bits local
19	Hydrostatic Delay	0 25 222	4	0	16	Meters
20	Signify local descriptor	2 06 009					Next 9 bits local
21	Error in Hydrostatic Delay	0 25 223	4	0	9	Meters
22	Scale Change	2 02 131					10**3 scaling added
23	Bit width added	2 01 138					Add 10 bits of precision
24	IPWV	0 13 016	(3)	0	(17)	Kg.m^-2	Note 1
25	Revert width	2 01 000
26	Revert scale	2 02 000
27	Signify local descriptor	2 06 016					Next 16 bits local
28	Weighted mean temp.	0 25 224	2	0	16	K	5 significant digits
29	Signify local descriptor	2 06 013