This file (Readme_format_GNSS_OSO_data) describes the content in the 36 ascii data files:

The name of files is defined as: XXXX_YY_ZZ_SS where
XXXX: the name of stations (ONS1 and ONSA)
YY:   the elevation cutoff angle used in the solution (3 deg, 10 deg, and 15 deg)
ZZ:   the constraint value used in the solution (0.3 mm/sqrt(hour) and 1.0 mm/sqrt(hour))
SS:   the GNSS constellations used in the solution (GPS: GPS-only; GL: GPS + Glonass; GE: GPS + Galileo; GLE: GPS + Glonass + Galileo)

Location: Onsala Space Observatory, Sweden

Years: 2019

Columns in the data files:

1; Julian date

2; Year

3; Month

4; Day

5; Hour (UT)

6; Minute (UT)

7; Zenith wet delay (mm)

8; North gradient (mm)

9; East gradient (mm)

10; 1-sigma formal error of zenith wet day (mm)

11; 1-sigma formal error of north gradient (mm)

12; 1-sigma formal error of east gradient (mm)

July 16, 2021
tong.ning@lm.se