PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/13-21:43:00
G01     320.3          15.3                7.6 +/-    2.29      18.9 +/-    2.29  0.120 / 0.250
G08     263.9          16.1               10.0 +/-    7.88      24.2 +/-    7.88  0.190 / 0.210
G10     72.4           54.3               10.9 +/-    0.93      13.1 +/-    0.93  0.240 / 0.560
G11     309.5          18.3                9.2 +/-    3.14      21.0 +/-    3.14  0.270 / 0.720
G14     272.9          66.4               11.1 +/-    0.80      12.0 +/-    0.80  0.040 / 0.050
G20     101.5          31.2                9.0 +/-    0.96      15.4 +/-    0.96  0.040 / 0.050
G21     156.0          11.0               12.6 +/-    5.77      34.4 +/-    5.77  0.140 / 0.320
G27     227.9          12.8               10.7 +/-    3.18      27.9 +/-    3.18  0.160 / 0.290
G31     176.2          36.6               11.6 +/-    1.96      17.9 +/-    1.96  0.260 / 0.510
G32     358.0          71.0               10.4 +/-    0.50      10.9 +/-    0.50  0.280 / 0.530