PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/04/02-20:42:50
G01     126.0          12.6               13.7 +/-   18.05      36.1 +/-   18.05  0.090 / 0.330
G07     55.7           69.5               11.8 +/-    3.25      12.6 +/-    3.25  0.100 / 0.370
G08     51.9           42.6               11.1 +/-    3.13      15.5 +/-    3.13  0.060 / 0.120
G09     178.7          35.4               14.0 +/-    7.94      22.0 +/-    7.94  0.070 / 0.120
G11     119.4          35.6               15.5 +/-    3.79      24.3 +/-    3.79  0.050 / 0.330
G13     320.9          12.3                9.5 +/-   10.27      25.3 +/-   10.27  0.050 / 0.270
G17     201.4          12.9               18.2 +/-   15.95      47.7 +/-   15.95  0.040 / 0.070
G18     103.1          17.2               12.5 +/-   12.98      29.4 +/-   12.98  0.050 / 0.060
G28     279.2          54.0               13.1 +/-    3.08      15.8 +/-    3.08  0.110 / 0.370
G30     338.6          63.6                9.3 +/-    3.18      10.3 +/-    3.18  0.110 / 0.380