PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/11-06:57:50
G01     114.4          21.2                6.4 +/-    0.96      13.8 +/-    0.96  0.040 / 0.060
G07     93.8           62.6                5.0 +/-    0.38       5.5 +/-    0.38  0.040 / 0.090
G08     43.1           26.0                3.7 +/-    0.97       7.1 +/-    0.97  0.020 / 0.050
G09     176.1          20.7                5.5 +/-    1.19      11.9 +/-    1.19  0.030 / 0.050
G11     99.4           40.8                6.5 +/-    0.38       9.3 +/-    0.38  0.070 / 0.110
G13     315.8          21.9                0.8 +/-    1.06       1.6 +/-    1.06  0.050 / 0.110
G17     202.7          31.6                5.3 +/-    1.64       9.0 +/-    1.64  0.040 / 0.100
G28     303.9          59.4                4.3 +/-    0.66       4.9 +/-    0.66  0.040 / 0.080
G30     358.9          72.8                4.4 +/-    0.73       4.6 +/-    0.73  0.080 / 0.180