PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/11-14:57:50
G01     125.0          12.3               10.2 +/-    2.83      27.0 +/-    2.83  0.080 / 0.100
G07     69.5           66.2               10.4 +/-    0.70      11.2 +/-    0.70  0.110 / 0.110
G08     50.0           39.4                9.1 +/-    0.71      13.3 +/-    0.71  0.060 / 0.090
G09     178.7          35.9               10.5 +/-    1.83      16.5 +/-    1.83  0.050 / 0.090
G11     115.9          37.0               10.6 +/-    0.59      16.2 +/-    0.59  0.030 / 0.040
G13     320.3          13.9                7.1 +/-    2.35      18.1 +/-    2.35  0.030 / 0.040
G17     200.0          15.0               11.9 +/-    2.52      29.5 +/-    2.52  0.140 / 0.450
G18     100.9          17.3                9.5 +/-    1.74      22.3 +/-    1.74  0.090 / 0.340
G28     272.5          49.5                8.2 +/-    2.50      10.4 +/-    2.50  0.140 / 0.260
G30     339.7          64.5                9.9 +/-    0.80      10.8 +/-    0.80  0.130 / 0.220