PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/11-08:58:10
G01     117.8          17.4                5.6 +/-    1.52      13.0 +/-    1.52  0.040 / 0.070
G07     83.2           65.0                7.8 +/-    0.63       8.5 +/-    0.63  0.040 / 0.080
G08     46.0           34.5                4.0 +/-    0.45       6.4 +/-    0.45  0.080 / 0.170
G09     176.3          26.1                9.1 +/-    2.00      17.4 +/-    2.00  0.060 / 0.160
G11     108.7          41.0                8.8 +/-    1.45      12.5 +/-    1.45  0.030 / 0.040
G13     317.3          20.4                3.1 +/-    1.61       6.7 +/-    1.61  0.030 / 0.040
G17     201.6          21.7                4.2 +/-    1.14       8.8 +/-    1.14  0.100 / 0.360
G18     93.8           20.8                6.7 +/-    0.66      14.5 +/-    0.66  0.100 / 0.370
G28     282.3          52.3                8.0 +/-    1.77       9.8 +/-    1.77  0.060 / 0.110
G30     342.8          67.6                3.5 +/-    0.58       3.8 +/-    0.58  0.060 / 0.140