PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/07-13:12:50
G01     96.2           30.1                7.5 +/-    1.22      13.2 +/-    1.22  0.020 / 0.020
G07     120.3          49.9                7.2 +/-    0.55       9.1 +/-    0.55  0.020 / 0.020
G08     41.8           10.4                6.8 +/-    2.31      18.9 +/-    2.31  0.030 / 0.040
G11     73.8           41.0                6.7 +/-    0.81       9.6 +/-    0.81  0.030 / 0.040
G13     300.1          34.3                5.1 +/-    1.50       8.1 +/-    1.50  0.050 / 0.130
G17     210.6          49.3                8.6 +/-    0.55      11.0 +/-    0.55  0.050 / 0.120
G18     68.7           24.3                6.8 +/-    1.47      13.4 +/-    1.47  0.070 / 0.120
G19     212.7          19.2                5.8 +/-    3.20      13.1 +/-    3.20  0.060 / 0.100
G28     338.2          61.9                5.6 +/-    0.57       6.3 +/-    0.57  0.120 / 0.120
G30     74.7           80.0                6.7 +/-    0.27       6.8 +/-    0.27  0.060 / 0.110