PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/15-17:42:40
G01     127.4          11.4               15.8 +/-    2.36      42.7 +/-    2.36  0.050 / 0.050
G07     50.1           69.8               14.7 +/-    0.49      15.6 +/-    0.49  0.040 / 0.060
G08     52.1           42.1               12.2 +/-    0.97      17.2 +/-    0.97  0.030 / 0.040
G09     178.4          36.7               15.2 +/-    0.79      23.4 +/-    0.79  0.030 / 0.040
G11     119.9          34.8               15.7 +/-    0.73      25.1 +/-    0.73  0.030 / 0.030
G13     321.3          11.1               -3.4 +/-   18.48      -9.2 +/-   18.48  0.030 / 0.030
G17     201.0          11.7                3.6 +/-   25.90       9.6 +/-   25.90  0.120 / 0.230
G18     104.6          16.4               13.4 +/-    1.68      32.2 +/-    1.68  0.180 / 0.230
G28     276.0          52.9               14.2 +/-    3.44      17.3 +/-    3.44  0.110 / 0.080
G30     333.8          60.9               13.3 +/-    0.62      15.0 +/-    0.62  0.130 / 0.100