PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/02/05-23:58:10
G01     116.3          19.5                9.0 +/-    1.68      20.0 +/-    1.68  0.100 / 0.210
G07     92.7           61.7                8.8 +/-    0.73       9.8 +/-    0.73  0.110 / 0.210
G08     43.2           26.7                4.9 +/-    1.35       9.1 +/-    1.35  0.140 / 0.180
G09     176.3          23.0                8.9 +/-    1.28      18.2 +/-    1.28  0.110 / 0.160
G11     100.4          41.3                9.1 +/-    0.82      13.0 +/-    0.82  0.040 / 0.030
G13     315.9          22.3                7.3 +/-    1.93      15.1 +/-    1.93  0.030 / 0.030
G17     201.2          29.8                7.8 +/-    1.98      13.7 +/-    1.98  0.040 / 0.060
G18     86.7           21.3                9.4 +/-    1.37      20.1 +/-    1.37  0.050 / 0.060
G28     293.2          56.7                8.7 +/-    1.64      10.2 +/-    1.64  0.090 / 0.140
G30     350.7          70.9                8.2 +/-    0.76       8.6 +/-    0.76  0.090 / 0.130