PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/14-12:43:10
G01     96.4           30.1                5.8 +/-    1.32      10.1 +/-    1.32  0.030 / 0.030
G07     120.1          50.0                5.2 +/-    0.75       6.5 +/-    0.75  0.030 / 0.020
G08     41.8           10.3                5.1 +/-    2.51      14.2 +/-    2.51  0.030 / 0.040
G11     73.9           40.9                4.7 +/-    1.58       6.7 +/-    1.58  0.030 / 0.030
G13     300.2          34.3                2.6 +/-    1.37       4.1 +/-    1.37  0.060 / 0.120
G17     210.4          49.5                3.9 +/-    0.42       5.0 +/-    0.42  0.060 / 0.100
G18     68.8           24.3                5.0 +/-    1.80      10.0 +/-    1.80  0.050 / 0.140
G19     212.7          18.9                3.0 +/-    2.17       6.8 +/-    2.17  0.060 / 0.120
G28     337.8          61.9                2.7 +/-    0.56       3.0 +/-    0.56  0.060 / 0.110
G30     72.7           80.1                3.2 +/-    0.84       3.2 +/-    0.84  0.110 / 0.110