PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/09-15:27:40
G01     87.3           32.4               11.2 +/-    1.07      18.6 +/-    1.07  0.020 / 0.030
G07     127.7          43.5               13.1 +/-    0.83      18.1 +/-    0.83  0.030 / 0.040
G11     65.6           38.5                9.9 +/-    0.38      14.8 +/-    0.38  0.060 / 0.100
G13     291.6          36.8               10.2 +/-    1.27      15.7 +/-    1.27  0.060 / 0.110
G17     216.5          55.5               13.0 +/-    1.42      15.5 +/-    1.42  0.050 / 0.090
G18     61.1           23.2                9.3 +/-    0.66      18.9 +/-    0.66  0.050 / 0.100
G19     216.0          26.7               10.9 +/-    1.16      20.4 +/-    1.16  0.050 / 0.060
G28     353.8          61.6                9.9 +/-    0.92      11.1 +/-    0.92  0.040 / 0.070
G30     110.8          74.9               11.6 +/-    1.11      12.0 +/-    1.11  0.050 / 0.060