PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/15-06:27:40
G01     93.6           30.9                5.5 +/-    1.15       9.4 +/-    1.15  0.060 / 0.050
G07     123.0          46.4                5.8 +/-    1.10       7.7 +/-    1.10  0.050 / 0.050
G11     70.2           40.1                3.9 +/-    1.49       5.6 +/-    1.49  0.070 / 0.160
G13     297.6          35.4                4.9 +/-    2.53       7.7 +/-    2.53  0.080 / 0.130
G17     211.4          53.3                6.2 +/-    0.49       7.5 +/-    0.49  0.020 / 0.030
G18     64.3           23.2                3.4 +/-    1.35       6.8 +/-    1.35  0.030 / 0.020
G19     213.4          21.6                5.3 +/-    1.99      11.2 +/-    1.99  0.080 / 0.080
G28     339.4          61.8                4.2 +/-    0.32       4.7 +/-    0.32  0.070 / 0.090
G30     86.4           79.4                4.9 +/-    0.32       5.0 +/-    0.32  0.080 / 0.110