Notation	Name	Description	Status
1	Height of land surface		stable
2	Height		stable
3	Geopotential		stable
4	Pressure		stable
7	Height		stable
8	Geopotential		stable
9	Geopotential height		stable
10	Minimum pressure reduced to mean sea level		stable
11	Maximum pressure reduced to mean sea level		stable
31	In direction of the North Pole, distance from the Earth's centre		stable
32	Satellite distance to Earth's centre		stable
33	Altitude (platform to ellipsoid)		stable
34	Earth's radius		stable
35	Earth's local radius of curvature		stable
36	Geoid undulation		stable
40	Number of retrieved layers		stable
50	Standard deviation altitude		stable
51	Pressure reduced to mean sea level		stable
52	Altimeter setting (QNH)		stable
53	Global navigation satellite system altitude		stable
60	Pressure change		stable
61	3-hour pressure change		stable
62	24-hour pressure change		stable
63	Characteristic of pressure tendency		stable
64	SIGMET cruising level		stable
70	Indicated aircraft altitude		stable
79	Off-nadir angle of the satellite from platform data		stable
80	Viewing zenith angle		stable
81	Altitude of COG above reference ellipsoid		stable
82	Instantaneous altitude rate		stable
83	Squared off-nadir angle of the satellite from platform data		stable
84	Squared off-nadir angle of the satellite from waveform data		stable
85	Mean sea-surface height		stable
86	Geoid's height		stable
87	Ocean depth/land elevation		stable
88	Total geocentric ocean tide height (solution 1)		stable
89	Total geocentric ocean tide height (solution 2)		stable
90	Long period tide height		stable
91	Tidal loading height		stable
92	Solid Earth tide height		stable
93	Geocentric pole tide height		stable
95	Height of atmosphere used		stable
96	Mean dynamic topography		stable
97	Mean sea-surface height from altimeter only		stable
98	Loading tide height geocentric ocean tide solution 1		stable
99	Loading tide height geocentric ocean tide solution 2		stable
100	Non-equilibrium long period tide height		stable
101	Squared off-nadir angle of the satellite from waveform data		stable
102	Sea-surface height anomaly		stable