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                7.8 +/-    1.22      16.9 +/-    1.22  0.110 / 0.270
G06     176.5          31.3               10.5 +/-    1.79      18.0 +/-    1.79  0.100 / 0.320
G13     242.2          26.7               12.2 +/-    0.69      23.0 +/-    0.69  0.040 / 0.060
G15     276.0          14.2               10.6 +/-    1.22      26.9 +/-    1.22  0.040 / 0.070
G17     340.9          75.7                9.4 +/-    0.82       9.7 +/-    0.82  0.110 / 0.190
G19     260.7          66.3                9.0 +/-    1.08       9.7 +/-    1.08  0.100 / 0.170
G24     318.0          14.0                8.3 +/-    1.47      21.1 +/-    1.47  0.070 / 0.110
G28     56.4           53.4                8.4 +/-    0.60      10.2 +/-    0.60  0.070 / 0.140
G30     151.7          30.7               10.8 +/-    0.82      18.6 +/-    0.82  0.090 / 0.230