PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/11-05:27:40
G01     126.6          11.8               -6.7 +/-   32.51     -18.0 +/-   32.51  0.030 / 0.020
G07     58.6           68.7                6.8 +/-    0.43       7.3 +/-    0.43  0.030 / 0.020
G08     48.8           36.8                5.5 +/-    1.49       8.5 +/-    1.49  0.260 / 0.360
G09     175.2          32.2                6.8 +/-    1.06      11.4 +/-    1.06  0.180 / 0.360
G11     115.7          36.0                8.7 +/-    1.46      13.5 +/-    1.46  0.100 / 0.220
G13     320.8          12.4               -3.9 +/-   11.05     -10.4 +/-   11.05  0.110 / 0.230
G17     198.9          17.6                5.3 +/-    1.49      12.3 +/-    1.49  0.060 / 0.080
G18     100.8          16.8                7.9 +/-    1.59      18.8 +/-    1.59  0.070 / 0.100
G28     275.0          51.9                6.8 +/-    2.62       8.4 +/-    2.62  0.130 / 0.270
G30     331.2          59.6                5.6 +/-    0.57       6.4 +/-    0.57  0.120 / 0.370