PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/04-08:28:10
G01     117.3          19.1                5.5 +/-    1.19      12.3 +/-    1.19  0.030 / 0.030
G07     87.2           64.7                6.8 +/-    0.61       7.4 +/-    0.61  0.030 / 0.030
G08     43.5           27.6                3.0 +/-    0.72       5.4 +/-    0.72  0.120 / 0.200
G09     172.9          18.9                3.9 +/-    1.00       8.8 +/-    1.00  0.120 / 0.230
G11     102.1          40.8                8.0 +/-    0.52      11.5 +/-    0.52  0.030 / 0.050
G13     316.5          21.4                1.2 +/-    2.46       2.5 +/-    2.46  0.030 / 0.040
G17     201.4          28.5                4.9 +/-    1.88       8.9 +/-    1.88  0.090 / 0.270
G18     90.3           21.4                5.5 +/-    1.03      11.7 +/-    1.03  0.060 / 0.240
G28     294.7          57.5                5.2 +/-    0.56       6.1 +/-    0.56  0.080 / 0.200
G30     346.4          69.2                3.5 +/-    1.15       3.7 +/-    1.15  0.080 / 0.220