PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/03-13:27:50
G01     96.9           29.9                6.2 +/-    1.14      10.9 +/-    1.14  0.030 / 0.030
G07     119.6          50.5                7.2 +/-    0.46       9.1 +/-    0.46  0.030 / 0.040
G08     41.8           11.1                7.2 +/-    1.60      19.7 +/-    1.60  0.060 / 0.120
G11     74.7           41.2                8.2 +/-    0.72      11.7 +/-    0.72  0.070 / 0.120
G13     300.7          34.0                5.4 +/-    1.26       8.7 +/-    1.26  0.030 / 0.060
G17     210.3          48.4                8.4 +/-    1.56      10.8 +/-    1.56  0.040 / 0.070
G18     69.4           24.4                6.7 +/-    1.05      13.2 +/-    1.05  0.050 / 0.100
G19     212.5          18.7                5.5 +/-    1.57      12.4 +/-    1.57  0.040 / 0.090
G28     336.9          61.9                4.8 +/-    1.04       5.4 +/-    1.04  0.030 / 0.050
G30     71.4           80.1                6.2 +/-    0.72       6.3 +/-    0.72  0.030 / 0.050