PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/26-09:42:50
G01     125.8          11.3                3.2 +/-    2.68       8.8 +/-    2.68  0.030 / 0.040
G07     58.9           68.4                4.7 +/-    0.67       5.1 +/-    0.67  0.030 / 0.030
G08     53.0           43.2                3.6 +/-    1.14       4.9 +/-    1.14  0.100 / 0.350
G09     177.8          36.5                5.7 +/-    1.13       8.8 +/-    1.13  0.130 / 0.430
G11     119.6          36.1                4.9 +/-    1.23       7.7 +/-    1.23  0.050 / 0.070
G13     320.7          12.6                2.5 +/-    1.81       6.6 +/-    1.81  0.070 / 0.080
G17     200.4          11.6               -2.2 +/-   14.38      -6.0 +/-   14.38  0.040 / 0.050
G18     103.1          16.5                5.2 +/-    2.13      12.3 +/-    2.13  0.060 / 0.060
G28     268.8          47.3                4.9 +/-    2.49       6.4 +/-    2.49  0.150 / 0.250
G30     331.4          60.0                3.1 +/-    0.46       3.5 +/-    0.46  0.090 / 0.190