PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/13-13:43:00
G01     126.9          11.8               11.4 +/-    2.83      30.7 +/-    2.83  0.030 / 0.040
G07     53.1           69.6                9.3 +/-    0.60       9.8 +/-    0.60  0.040 / 0.030
G08     50.1           39.1                8.6 +/-    1.29      12.6 +/-    1.29  0.030 / 0.030
G09     177.0          34.5               10.3 +/-    1.02      16.5 +/-    1.02  0.030 / 0.030
G11     117.6          35.4               10.2 +/-    0.54      16.0 +/-    0.54  0.290 / 0.530
G13     321.0          11.9                2.8 +/-   13.46       7.4 +/-   13.46  0.190 / 0.270
G17     200.0          14.8                8.6 +/-    2.72      21.4 +/-    2.72  0.150 / 0.250
G18     103.4          16.7                9.4 +/-    1.37      22.3 +/-    1.37  0.130 / 0.220
G28     276.4          52.9                8.1 +/-    3.58       9.9 +/-    3.58  0.190 / 0.280
G30     332.2          60.1                7.7 +/-    0.85       8.7 +/-    0.85  0.270 / 0.270