PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/17-07:43:00
G01     114.4          21.1                6.7 +/-    0.91      14.3 +/-    0.91  0.030 / 0.030
G07     94.4           62.5                5.5 +/-    0.75       6.2 +/-    0.75  0.030 / 0.020
G08     42.6           24.7                2.9 +/-    1.78       5.8 +/-    1.78  0.030 / 0.040
G09     172.9          16.5                5.7 +/-    1.08      13.6 +/-    1.08  0.020 / 0.030
G11     97.5           41.6                7.4 +/-    0.53      10.5 +/-    0.53  0.090 / 0.160
G13     314.7          23.8                3.2 +/-    1.04       6.5 +/-    1.04  0.090 / 0.160
G17     202.2          32.1                4.5 +/-    1.14       7.5 +/-    1.14  0.080 / 0.210
G18     86.5           22.3                4.4 +/-    1.93       9.1 +/-    1.93  0.080 / 0.200
G28     300.4          58.5                4.5 +/-    0.49       5.2 +/-    0.49  0.090 / 0.160
G30     352.5          72.0                5.8 +/-    0.95       6.0 +/-    0.95  0.130 / 0.170