PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/21-23:12:50
G08     265.0          16.1               13.2 +/-    1.97      32.0 +/-    1.97  0.220 / 0.390
G10     72.3           54.4               10.4 +/-    1.00      12.5 +/-    1.00  0.310 / 0.540
G11     309.1          18.8                7.5 +/-    1.99      17.1 +/-    1.99  0.040 / 0.050
G14     274.3          67.1               10.0 +/-    0.51      10.8 +/-    0.51  0.040 / 0.050
G18     309.3          36.7                8.2 +/-    1.56      12.6 +/-    1.56  0.100 / 0.110
G20     101.2          31.8                9.5 +/-    0.84      16.1 +/-    0.84  0.070 / 0.120
G21     156.1          11.2               12.4 +/-    4.61      33.7 +/-    4.61  0.030 / 0.030
G27     228.0          12.8               11.9 +/-    4.48      31.2 +/-    4.48  0.020 / 0.020
G31     176.0          36.9               13.0 +/-    1.55      19.9 +/-    1.55  0.100 / 0.270
G32     356.6          71.2                8.9 +/-    0.85       9.4 +/-    0.85  0.190 / 0.180