PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/28-08:42:50
G02     349.7          77.3                8.0 +/-    0.66       8.1 +/-    0.66  0.080 / 0.160
G05     164.6          34.4               11.0 +/-    1.20      17.7 +/-    1.20  0.100 / 0.200
G06     41.2           40.9                4.9 +/-    0.62       7.0 +/-    0.62  0.070 / 0.100
G12     309.5          71.7                8.0 +/-    0.52       8.4 +/-    0.52  0.050 / 0.130
G19     75.3           27.7                7.0 +/-    0.60      12.9 +/-    0.60  0.040 / 0.050
G24     223.1          20.4                5.1 +/-    0.96      11.2 +/-    0.96  0.040 / 0.050
G25     315.9          35.8                5.7 +/-    1.47       9.0 +/-    1.47  0.030 / 0.030
G29     287.9          11.4                2.7 +/-    4.76       7.3 +/-    4.76  0.030 / 0.040