PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/11-21:43:00
G01     321.0          12.1              -14.6 +/-   31.92     -38.8 +/-   31.92  0.090 / 0.180
G08     267.5          17.7               10.5 +/-    1.43      24.4 +/-    1.43  0.130 / 0.180
G10     66.2           56.0               10.9 +/-    0.68      12.9 +/-    0.68  0.140 / 0.340
G11     312.1          16.2                9.0 +/-    2.56      21.7 +/-    2.56  0.130 / 0.330
G14     264.8          64.4               11.2 +/-    1.08      12.2 +/-    1.08  0.150 / 0.390
G20     98.0           33.8               10.6 +/-    0.98      17.2 +/-    0.98  0.140 / 0.640
G21     155.6          14.5               14.2 +/-    1.07      35.8 +/-    1.07  0.050 / 0.060
G27     230.5          15.3               12.4 +/-    1.34      30.6 +/-    1.34  0.040 / 0.060
G31     177.0          32.7               13.1 +/-    1.99      21.7 +/-    1.99  0.160 / 0.250
G32     347.7          73.3                9.8 +/-    0.57      10.2 +/-    0.57  0.170 / 0.220