PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/24-15:12:50
G01     61.8           31.1                9.4 +/-    0.71      16.1 +/-    0.71  0.040 / 0.050
G07     141.5          23.8                9.6 +/-    1.58      19.3 +/-    1.58  0.050 / 0.050
G11     48.7           24.3                7.1 +/-    1.50      14.0 +/-    1.50  0.060 / 0.090
G13     264.2          35.9               10.5 +/-    1.17      16.4 +/-    1.17  0.050 / 0.090
G15     297.9          15.1                5.9 +/-    2.07      14.7 +/-    2.07  0.040 / 0.060
G17     254.0          75.7               10.4 +/-    0.69      10.7 +/-    0.69  0.040 / 0.060
G18     43.1           13.6                6.5 +/-    1.12      16.8 +/-    1.12  0.060 / 0.180
G19     230.5          46.1               11.1 +/-    0.81      14.7 +/-    0.81  0.060 / 0.190
G28     32.9           57.2               10.2 +/-    0.60      11.8 +/-    0.60  0.050 / 0.140
G30     142.8          55.0               10.1 +/-    1.14      12.0 +/-    1.14  0.060 / 0.190