PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/23-02:12:50
G08     261.3          16.3               11.2 +/-    1.11      27.0 +/-    1.11  0.120 / 0.190
G10     69.7           56.2                8.3 +/-    0.65       9.8 +/-    0.65  0.210 / 0.240
G11     307.6          20.6                7.1 +/-    1.08      15.4 +/-    1.08  0.140 / 0.370
G14     276.5          67.9                9.7 +/-    1.04      10.3 +/-    1.04  0.300 / 0.450
G18     309.5          35.8                7.9 +/-    1.61      12.4 +/-    1.61  0.030 / 0.050
G20     66.1           65.9               11.0 +/-    1.28      11.9 +/-    1.28  0.040 / 0.040
G21     155.7          12.1                8.6 +/-    3.46      22.9 +/-    3.46  0.150 / 0.350
G27     228.7          12.9               10.8 +/-    1.22      28.3 +/-    1.22  0.160 / 0.290
G31     175.6          37.0               10.1 +/-    0.78      15.5 +/-    0.78  0.160 / 0.330
G32     358.9          70.8                8.1 +/-    0.54       8.5 +/-    0.54  0.180 / 0.320