PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/11-18:43:00
G01     47.5           23.5               10.0 +/-    0.83      20.3 +/-    0.83  0.060 / 0.080
G06     176.1          29.5               16.8 +/-    1.73      29.7 +/-    1.73  0.060 / 0.090
G11     44.1           12.6                8.9 +/-    2.65      23.5 +/-    2.65  0.150 / 0.330
G13     247.1          28.5               13.3 +/-    1.15      24.1 +/-    1.15  0.190 / 0.320
G15     281.7          14.8               11.2 +/-    0.99      28.1 +/-    0.99  0.260 / 0.370
G17     321.1          77.4               13.0 +/-    0.87      13.3 +/-    0.87  0.090 / 0.210
G19     250.9          60.5               14.7 +/-    0.62      16.6 +/-    0.62  0.070 / 0.260
G24     318.6          11.4              -17.0 +/-   21.09     -45.9 +/-   21.09  0.030 / 0.030
G28     57.5           51.5               12.2 +/-    0.96      15.1 +/-    0.96  0.030 / 0.030
G30     151.2          37.9               14.9 +/-    1.23      22.4 +/-    1.23  0.040 / 0.060