PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/12-17:13:10
G02     346.6          76.8                7.9 +/-    0.41       8.1 +/-    0.41  0.030 / 0.040
G05     163.3          36.7               10.4 +/-    0.64      16.1 +/-    0.64  0.030 / 0.030
G06     42.4           36.0                7.3 +/-    1.60      11.3 +/-    1.60  0.160 / 0.180
G12     305.3          74.0                9.5 +/-    0.60       9.8 +/-    0.60  0.120 / 0.270
G17     86.9           12.6                7.6 +/-    3.94      20.0 +/-    3.94  0.090 / 0.370
G19     78.7           23.3                8.0 +/-    0.81      16.3 +/-    0.81  0.100 / 0.240
G24     226.3          20.2               10.3 +/-    1.47      22.7 +/-    1.47  0.080 / 0.120
G25     316.4          31.2                8.6 +/-    1.13      14.6 +/-    1.13  0.060 / 0.140
G29     288.4          11.1               -5.8 +/-   20.34     -15.7 +/-   20.34  0.040 / 0.060