PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/06-18:12:40
G01     44.2           20.3                8.4 +/-    2.59      18.4 +/-    2.59  0.040 / 0.060
G06     176.5          31.3               10.0 +/-    0.76      17.1 +/-    0.76  0.040 / 0.060
G13     242.2          26.7               10.7 +/-    2.06      20.1 +/-    2.06  0.150 / 0.370
G15     276.0          14.2                9.2 +/-    1.98      23.3 +/-    1.98  0.100 / 0.290
G17     340.9          75.7                9.1 +/-    0.55       9.4 +/-    0.55  0.040 / 0.050
G19     260.7          66.3                9.9 +/-    1.00      10.7 +/-    1.00  0.040 / 0.050
G24     318.0          14.0                7.5 +/-    1.17      19.1 +/-    1.17  0.030 / 0.030
G28     56.4           53.4                9.2 +/-    0.86      11.1 +/-    0.86  0.030 / 0.030
G30     151.7          30.7               10.1 +/-    1.58      17.5 +/-    1.58  0.110 / 0.310