PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/11-16:13:00
G01     58.5           30.0                8.2 +/-    2.52      14.3 +/-    2.52  0.050 / 0.060
G06     178.6          17.7               -5.7 +/-   42.61     -13.3 +/-   42.61  0.040 / 0.050
G07     143.0          20.9               10.5 +/-    9.52      22.5 +/-    9.52  0.060 / 0.090
G11     47.4           22.2                6.7 +/-    2.33      14.1 +/-    2.33  0.050 / 0.090
G15     294.6          15.5               11.4 +/-   31.69      28.0 +/-   31.69  0.070 / 0.220
G17     264.7          76.9               20.7 +/-   36.20      21.2 +/-   36.20  0.070 / 0.240
G18     41.3           11.7                6.0 +/-    9.77      16.0 +/-    9.77  0.050 / 0.130
G19     233.7          49.3               17.9 +/-   35.14      22.8 +/-   35.14  0.060 / 0.110
G28     38.2           56.2               16.4 +/-   35.15      19.3 +/-   35.15  0.030 / 0.070
G30     144.9          51.4               13.5 +/-   21.71      16.7 +/-   21.71  0.030 / 0.070