PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/05-09:12:30
G02     224.6          67.2                6.7 +/-    0.58       7.2 +/-    0.58  0.050 / 0.070
G06     45.5           68.5                5.8 +/-    0.57       6.2 +/-    0.57  0.040 / 0.060
G12     320.4          43.0                6.1 +/-    1.41       8.5 +/-    1.41  0.060 / 0.070
G17     65.0           25.2                5.3 +/-    1.15      10.3 +/-    1.15  0.070 / 0.090
G19     45.5           46.1                4.7 +/-    0.56       6.2 +/-    0.56  0.040 / 0.050
G24     249.1          39.2                7.6 +/-    1.83      11.1 +/-    1.83  0.040 / 0.060
G25     314.8          10.2              -18.1 +/-   10.36     -50.2 +/-   10.36  0.060 / 0.110