PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/11-16:42:40
G01     46.6           22.7                8.4 +/-    1.04      17.3 +/-    1.04  0.060 / 0.090
G06     175.5          31.1               15.6 +/-    1.51      26.8 +/-    1.51  0.050 / 0.080
G11     43.7           10.9                8.3 +/-    1.29      22.6 +/-    1.29  0.080 / 0.150
G13     245.7          27.8               13.5 +/-    1.53      24.8 +/-    1.53  0.070 / 0.190
G15     281.6          14.3               12.3 +/-    1.56      31.1 +/-    1.56  0.180 / 0.540
G17     333.7          76.7               12.9 +/-    1.04      13.2 +/-    1.04  0.120 / 0.480
G19     252.4          60.7               14.3 +/-    1.25      16.1 +/-    1.25  0.150 / 0.320
G24     318.4          12.8               -0.0 +/-   34.28      -0.0 +/-   34.28  0.180 / 0.240
G28     59.1           51.1               12.2 +/-    0.57      15.2 +/-    0.57  0.040 / 0.060
G30     151.9          37.4               13.3 +/-    0.86      20.3 +/-    0.86  0.040 / 0.080