PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/26-09:42:40
G01     125.8          11.3                0.9 +/-   21.08       2.4 +/-   21.08  0.030 / 0.030
G07     58.9           68.4                3.2 +/-    0.28       3.4 +/-    0.28  0.030 / 0.040
G08     53.0           43.2                2.4 +/-    0.42       3.3 +/-    0.42  0.130 / 0.260
G09     177.8          36.5                6.3 +/-    1.17       9.7 +/-    1.17  0.130 / 0.330
G11     119.6          36.1                4.6 +/-    0.93       7.2 +/-    0.93  0.060 / 0.120
G13     320.7          12.6                0.6 +/-    2.57       1.6 +/-    2.57  0.060 / 0.100
G17     200.4          11.6                1.6 +/-   17.21       4.4 +/-   17.21  0.130 / 0.350
G18     103.1          16.5                3.5 +/-    1.50       8.3 +/-    1.50  0.100 / 0.340
G28     268.8          47.3                4.7 +/-    1.03       6.1 +/-    1.03  0.070 / 0.270
G30     331.4          60.0                2.5 +/-    0.89       2.8 +/-    0.89  0.080 / 0.300