PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/08-17:12:20
G02     309.6          80.2                9.4 +/-    0.59       9.6 +/-    0.59  0.190 / 0.210
G05     166.6          29.0               12.4 +/-    1.70      22.2 +/-    1.70  0.150 / 0.190
G06     40.4           43.4                8.0 +/-    1.03      11.1 +/-    1.03  0.120 / 0.190
G12     316.8          66.1                9.9 +/-    0.88      10.7 +/-    0.88  0.140 / 0.210
G17     80.6           17.0               -8.3 +/-   12.39     -19.7 +/-   12.39  0.030 / 0.030
G19     71.6           28.1                8.3 +/-    1.60      15.2 +/-    1.60  0.030 / 0.030
G24     232.4          25.5               12.9 +/-    1.64      25.0 +/-    1.64  0.080 / 0.120
G25     317.4          24.1                8.5 +/-    1.50      17.0 +/-    1.50  0.070 / 0.110