PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/03-15:43:10
G01     92.0           31.4               12.0 +/-    0.73      20.5 +/-    0.73  0.030 / 0.040
G07     124.1          47.0               11.4 +/-    1.14      15.0 +/-    1.14  0.020 / 0.040
G11     70.3           40.3               11.1 +/-    0.53      16.0 +/-    0.53  0.040 / 0.080
G13     296.2          35.6               11.0 +/-    0.93      17.2 +/-    0.93  0.040 / 0.090
G17     213.5          51.2               14.6 +/-    0.99      18.2 +/-    0.99  0.070 / 0.130
G18     65.3           24.1               10.1 +/-    1.09      20.1 +/-    1.09  0.080 / 0.100
G19     214.2          23.2               14.0 +/-    1.77      28.5 +/-    1.77  0.030 / 0.050
G28     345.9          61.8                9.7 +/-    0.55      10.9 +/-    0.55  0.040 / 0.060
G30     97.0           77.6               11.2 +/-    0.41      11.4 +/-    0.41  0.040 / 0.060