PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/09-00:57:40
G01     52.6           27.1                5.5 +/-    2.14      10.3 +/-    2.14  0.030 / 0.040
G06     179.3          21.3               10.7 +/-    2.98      22.8 +/-    2.98  0.040 / 0.060
G07     145.4          15.5               10.4 +/-    2.05      25.7 +/-    2.05  0.120 / 0.110
G11     46.4           20.0                6.1 +/-    3.07      13.5 +/-    3.07  0.080 / 0.150
G13     254.4          31.8                7.8 +/-    3.22      13.2 +/-    3.22  0.110 / 0.220
G15     285.8          16.4                8.6 +/-    1.25      20.7 +/-    1.25  0.130 / 0.220
G17     286.6          77.6                9.6 +/-    0.52       9.8 +/-    0.52  0.030 / 0.020
G19     242.5          57.6                9.1 +/-    2.41      10.5 +/-    2.41  0.020 / 0.030
G28     49.0           53.6                8.6 +/-    1.21      10.4 +/-    1.21  0.270 / 0.330
G30     147.4          40.9               10.7 +/-    0.76      15.4 +/-    0.76  0.260 / 0.420