PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/11-10:43:10
G01     126.1          11.1               -6.9 +/-   33.64     -18.7 +/-   33.64  0.060 / 0.080
G07     59.5           68.1                3.4 +/-    1.05       3.7 +/-    1.05  0.070 / 0.070
G08     53.3           43.7                3.0 +/-    0.62       4.1 +/-    0.62  0.120 / 0.380
G09     178.1          37.1                6.6 +/-    1.14      10.1 +/-    1.14  0.180 / 0.300
G11     119.4          36.0                5.4 +/-    1.31       8.4 +/-    1.31  0.040 / 0.040
G13     320.8          12.5                1.5 +/-    1.07       3.9 +/-    1.07  0.050 / 0.040
G17     200.7          10.5               -5.8 +/-   19.35     -15.9 +/-   19.35  0.060 / 0.120
G18     103.2          16.5                4.1 +/-    1.06       9.8 +/-    1.06  0.060 / 0.130
G28     268.8          47.4                5.3 +/-    0.79       6.9 +/-    0.79  0.080 / 0.240
G30     332.1          60.4                3.5 +/-    1.23       4.0 +/-    1.23  0.070 / 0.260