PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/14-16:12:30
G02     236.9          72.1                7.8 +/-    0.57       8.1 +/-    0.57  0.040 / 0.060
G05     172.8          14.3                7.0 +/-    1.32      17.7 +/-    1.32  0.040 / 0.060
G06     40.9           59.1                8.4 +/-    0.55       9.6 +/-    0.55  0.030 / 0.040
G12     321.1          49.8                7.6 +/-    1.19       9.6 +/-    1.19  0.030 / 0.040
G17     67.4           26.2                7.3 +/-    0.51      13.9 +/-    0.51  0.080 / 0.100
G19     56.4           38.0                7.8 +/-    0.61      11.7 +/-    0.61  0.110 / 0.120
G24     247.8          35.4                8.3 +/-    0.86      13.1 +/-    0.86  0.080 / 0.270