PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/17-06:27:50
G01     116.6          19.7                8.3 +/-    1.29      18.5 +/-    1.29  0.070 / 0.050
G07     88.4           64.1                6.4 +/-    0.66       7.1 +/-    0.66  0.060 / 0.060
G08     43.8           28.2                3.3 +/-    2.71       6.0 +/-    2.71  0.030 / 0.030
G09     176.5          23.2                8.2 +/-    1.32      16.8 +/-    1.32  0.040 / 0.030
G11     102.9          40.1                8.6 +/-    0.95      12.5 +/-    0.95  0.070 / 0.110
G13     317.1          20.1                2.9 +/-    1.81       6.4 +/-    1.81  0.070 / 0.100
G17     202.0          29.0                7.0 +/-    1.15      12.5 +/-    1.15  0.090 / 0.110
G28     299.2          58.7                4.5 +/-    1.02       5.2 +/-    1.02  0.100 / 0.120
G30     353.8          71.1                5.1 +/-    0.58       5.3 +/-    0.58  0.120 / 0.160