PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/07-15:12:40
G01     125.5          11.9                8.7 +/-    2.46      23.2 +/-    2.46  0.040 / 0.040
G07     68.2           66.3               10.3 +/-    0.74      11.1 +/-    0.74  0.040 / 0.050
G08     50.4           39.7                8.8 +/-    0.50      12.8 +/-    0.50  0.070 / 0.080
G09     178.8          36.6               11.6 +/-    1.26      17.9 +/-    1.26  0.080 / 0.080
G11     116.6          36.6               10.2 +/-    0.81      15.7 +/-    0.81  0.070 / 0.130
G13     320.5          13.3                8.0 +/-    2.12      20.6 +/-    2.12  0.060 / 0.100
G17     199.9          14.6               10.2 +/-    2.35      25.6 +/-    2.35  0.110 / 0.370
G18     101.4          17.0                9.2 +/-    2.07      21.7 +/-    2.07  0.100 / 0.330
G28     271.7          49.2               10.0 +/-    0.99      12.7 +/-    0.99  0.100 / 0.300
G30     339.4          64.3                8.0 +/-    0.46       8.8 +/-    0.46  0.110 / 0.330