PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/23-16:12:30
G02     26.5           60.0               10.4 +/-    0.43      11.8 +/-    0.43  0.030 / 0.050
G05     148.8          59.0               12.1 +/-    0.72      13.8 +/-    0.72  0.030 / 0.050
G06     52.9           16.5                7.7 +/-    1.88      18.4 +/-    1.88  0.030 / 0.050
G12     194.9          68.3                9.5 +/-    1.49      10.1 +/-    1.49  0.050 / 0.050
G19     96.8           14.6                9.8 +/-    1.32      24.5 +/-    1.32  0.040 / 0.060
G25     297.4          54.3               11.3 +/-    1.10      13.6 +/-    1.10  0.040 / 0.060
G29     305.5          25.8               10.0 +/-    2.05      19.1 +/-    2.05  0.080 / 0.170