PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/29-21:27:40
G08     263.7          17.6               12.9 +/-    2.30      30.0 +/-    2.30  0.100 / 0.170
G10     64.9           57.2                4.1 +/-    7.25       4.7 +/-    7.25  0.100 / 0.210
G11     309.6          19.1               10.4 +/-    3.10      23.4 +/-    3.10  0.090 / 0.470
G14     270.9          67.3               12.3 +/-    0.72      13.2 +/-    0.72  0.090 / 0.410
G18     310.7          35.0                8.8 +/-    1.51      13.9 +/-    1.51  0.040 / 0.050
G20     97.1           35.4                7.1 +/-    7.59      11.2 +/-    7.59  0.050 / 0.060
G21     154.7          12.6               12.2 +/-    4.18      32.2 +/-    4.18  0.170 / 0.330
G27     232.1          15.2               12.5 +/-    0.77      30.9 +/-    0.77  0.140 / 0.360
G31     178.8          31.2               11.4 +/-    6.37      19.4 +/-    6.37  0.160 / 0.290
G32     345.9          73.2                5.1 +/-    8.04       5.3 +/-    8.04  0.120 / 0.290