PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/22-16:12:30
G02     24.3           61.5                6.7 +/-    0.91       7.5 +/-    0.91  0.020 / 0.040
G05     150.9          57.3                8.3 +/-    0.47       9.6 +/-    0.47  0.030 / 0.030
G06     51.9           17.9                5.2 +/-    2.63      12.2 +/-    2.63  0.030 / 0.030
G12     197.0          70.2                6.0 +/-    0.71       6.3 +/-    0.71  0.030 / 0.030
G19     95.3           15.8                6.2 +/-    1.70      15.1 +/-    1.70  0.070 / 0.050
G25     300.0          53.0                6.8 +/-    1.11       8.2 +/-    1.11  0.070 / 0.050
G29     304.2          24.5                5.5 +/-    1.07      10.9 +/-    1.07  0.200 / 0.160