PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/11-22:58:10
G01     319.6          16.9                8.1 +/-    0.96      19.2 +/-    0.96  0.210 / 0.380
G08     256.8          13.9                9.3 +/-    2.37      23.8 +/-    2.37  0.190 / 0.300
G10     78.0           53.5               10.7 +/-    0.84      12.9 +/-    0.84  0.040 / 0.050
G11     303.4          23.2                6.9 +/-    1.63      14.1 +/-    1.63  0.040 / 0.040
G14     292.0          70.3                8.8 +/-    0.67       9.3 +/-    0.67  0.150 / 0.360
G18     304.9          40.8                7.6 +/-    2.39      10.9 +/-    2.39  0.140 / 0.390
G20     104.2          30.0                9.5 +/-    0.55      16.6 +/-    0.55  0.100 / 0.070
G31     176.6          40.3               11.3 +/-    1.14      16.4 +/-    1.14  0.130 / 0.110
G32     6.6            68.0                8.1 +/-    0.47       8.7 +/-    0.47  0.080 / 0.170