PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/28-09:42:40
G02     352.3          77.5                4.1 +/-    0.73       4.2 +/-    0.73  0.060 / 0.090
G05     166.7          31.4                6.3 +/-    0.91      10.8 +/-    0.91  0.060 / 0.100
G06     41.1           39.8                2.7 +/-    0.50       4.0 +/-    0.50  0.020 / 0.040
G12     311.0          74.0                4.6 +/-    0.58       4.8 +/-    0.58  0.030 / 0.030
G17     85.4           11.0                5.0 +/-    0.97      13.6 +/-    0.97  0.070 / 0.120
G19     75.4           25.2                4.3 +/-    1.42       8.4 +/-    1.42  0.080 / 0.120
G24     229.9          23.0                5.3 +/-    1.74      10.9 +/-    1.74  0.030 / 0.040
G25     316.8          28.4                2.3 +/-    0.62       4.1 +/-    0.62  0.030 / 0.040