PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/10-13:28:00
G01     81.2           33.1                6.4 +/-    0.61      10.6 +/-    0.61  0.030 / 0.040
G07     131.8          38.7                8.7 +/-    1.19      13.0 +/-    1.19  0.030 / 0.040
G11     59.8           35.3                4.5 +/-    1.13       7.1 +/-    1.13  0.060 / 0.120
G13     285.2          37.8                7.7 +/-    0.96      11.6 +/-    0.96  0.070 / 0.130
G15     312.4          10.9               -2.5 +/-   18.09      -6.8 +/-   18.09  0.080 / 0.110
G17     221.1          62.2                9.4 +/-    0.73      10.5 +/-    0.73  0.070 / 0.120
G18     55.9           21.5                3.7 +/-    1.18       7.9 +/-    1.18  0.040 / 0.050
G19     218.5          30.7                7.7 +/-    1.92      13.4 +/-    1.92  0.040 / 0.050
G28     3.3            61.0                6.8 +/-    0.93       7.6 +/-    0.93  0.100 / 0.140
G30     122.5          71.6                7.6 +/-    0.47       8.0 +/-    0.47  0.060 / 0.120