PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/19-09:42:40
G02     252.3          79.0                5.3 +/-    0.59       5.4 +/-    0.59  0.150 / 0.250
G05     173.3          15.5                4.1 +/-    1.98      10.0 +/-    1.98  0.160 / 0.320
G06     40.0           55.9                5.0 +/-    0.51       5.9 +/-    0.51  0.040 / 0.030
G12     322.2          57.2                5.2 +/-    0.83       6.1 +/-    0.83  0.030 / 0.040
G17     71.9           20.9                0.3 +/-    1.66       0.7 +/-    1.66  0.090 / 0.170
G19     59.9           35.4                5.7 +/-    1.10       9.0 +/-    1.10  0.090 / 0.130
G24     245.0          33.6                7.3 +/-    2.19      12.0 +/-    2.19  0.030 / 0.020
G25     316.4          13.4                3.6 +/-    2.19       9.4 +/-    2.19  0.030 / 0.020