PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/01-16:57:50
G01     118.4          18.5               12.3 +/-    0.75      28.1 +/-    0.75  0.050 / 0.080
G07     82.0           66.4               12.4 +/-    0.60      13.4 +/-    0.60  0.050 / 0.070
G08     45.1           32.3               10.8 +/-    0.79      18.0 +/-    0.79  0.020 / 0.040
G09     176.7          24.9               11.9 +/-    1.12      23.2 +/-    1.12  0.030 / 0.040
G11     106.5          40.3               12.5 +/-    0.99      18.0 +/-    0.99  0.060 / 0.180
G13     317.3          20.0               11.3 +/-    2.75      24.8 +/-    2.75  0.090 / 0.170
G17     202.6          23.3               13.0 +/-    1.72      26.4 +/-    1.72  0.060 / 0.060
G18     93.7           21.2               12.3 +/-    0.99      26.3 +/-    0.99  0.060 / 0.070
G28     294.5          57.7               10.5 +/-    0.95      12.2 +/-    0.95  0.050 / 0.090
G30     349.1          69.6               12.1 +/-    0.58      12.9 +/-    0.58  0.050 / 0.090