PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/07/10-19:12:30
G02     320.3          80.3                7.9 +/-    0.49       8.0 +/-    0.49  0.100 / 0.200
G05     165.6          30.1               10.1 +/-    1.47      17.7 +/-    1.47  0.120 / 0.250
G06     40.4           43.4                6.8 +/-    1.10       9.3 +/-    1.10  0.030 / 0.040
G12     316.4          65.8                6.9 +/-    0.69       7.5 +/-    0.69  0.030 / 0.030
G17     81.7           15.4                6.4 +/-    1.37      15.8 +/-    1.37  0.180 / 0.290
G19     72.0           28.0                7.0 +/-    1.73      12.9 +/-    1.73  0.220 / 0.260
G24     231.5          25.1                8.4 +/-    2.30      16.5 +/-    2.30  0.100 / 0.190
G25     317.4          24.8                6.4 +/-    1.47      12.6 +/-    1.47  0.100 / 0.190