PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/07-07:42:10
G02     202.3          29.3                5.7 +/-    1.11      10.1 +/-    1.11  0.130 / 0.220
G06     166.9          63.2                6.6 +/-    0.56       7.3 +/-    0.56  0.170 / 0.240
G12     304.7          11.6               -1.6 +/-   13.46      -4.4 +/-   13.46  0.050 / 0.090
G17     34.3           50.4                3.5 +/-    1.03       4.4 +/-    1.03  0.050 / 0.090
G19     343.2          68.4                2.3 +/-    0.38       2.4 +/-    0.38  0.030 / 0.030
G28     96.7           35.9                6.1 +/-    0.60       9.5 +/-    0.60  0.030 / 0.030