PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/07-07:12:40
G01     114.9          20.8                5.7 +/-    1.51      12.3 +/-    1.51  0.050 / 0.070
G07     92.6           62.9                4.4 +/-    0.36       4.9 +/-    0.36  0.040 / 0.080
G08     43.2           26.4                3.0 +/-    0.95       5.7 +/-    0.95  0.030 / 0.040
G09     176.1          21.2                6.1 +/-    1.29      13.0 +/-    1.29  0.030 / 0.060
G11     100.1          40.6                5.5 +/-    0.53       7.9 +/-    0.53  0.050 / 0.110
G13     316.2          21.4                0.9 +/-    1.10       1.9 +/-    1.10  0.040 / 0.130
G17     202.5          31.1                6.2 +/-    2.13      10.7 +/-    2.13  0.060 / 0.100
G28     302.7          59.2                3.5 +/-    0.62       3.9 +/-    0.62  0.060 / 0.100
G30     357.0          72.3                2.7 +/-    0.75       2.9 +/-    0.75  0.060 / 0.140