PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/06-10:13:10
G02     348.4          77.3                3.0 +/-    0.58       3.1 +/-    0.58  0.030 / 0.030
G05     165.3          34.3                5.8 +/-    2.61       9.3 +/-    2.61  0.040 / 0.030
G06     41.6           39.5                1.4 +/-    0.43       2.0 +/-    0.43  0.060 / 0.100
G12     308.2          72.8                3.2 +/-    0.66       3.4 +/-    0.66  0.060 / 0.070
G19     75.4           28.0                3.0 +/-    0.61       5.5 +/-    0.61  0.060 / 0.100
G24     222.3          19.9                3.6 +/-    1.82       7.9 +/-    1.82  0.070 / 0.110
G25     315.7          36.5                3.5 +/-    1.67       5.4 +/-    1.67  0.060 / 0.090
G29     287.9          11.0               -2.7 +/-   19.75      -7.3 +/-   19.75  0.040 / 0.090