PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/09-15:12:50
G01     95.5           30.4               12.0 +/-    0.41      20.8 +/-    0.41  0.020 / 0.030
G07     121.0          49.6               11.3 +/-    0.36      14.3 +/-    0.36  0.030 / 0.040
G08     42.0           11.1                9.8 +/-    3.27      26.6 +/-    3.27  0.080 / 0.110
G11     73.8           41.2               11.2 +/-    0.75      16.0 +/-    0.75  0.090 / 0.120
G13     299.5          34.5                9.9 +/-    0.78      15.8 +/-    0.78  0.040 / 0.080
G17     211.5          48.5               13.2 +/-    0.90      17.0 +/-    0.90  0.040 / 0.080
G18     68.4           24.4                9.7 +/-    0.91      19.3 +/-    0.91  0.030 / 0.050
G19     213.0          20.4               10.9 +/-    3.44      23.8 +/-    3.44  0.030 / 0.050
G28     339.8          61.9                9.3 +/-    0.99      10.4 +/-    0.99  0.040 / 0.060
G30     82.0           79.2               10.3 +/-    0.55      10.5 +/-    0.55  0.040 / 0.060