PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/03-03:27:50
G08     265.1          17.6               10.6 +/-    1.68      24.7 +/-    1.68  0.130 / 0.200
G10     64.2           57.7                7.2 +/-    0.44       8.4 +/-    0.44  0.190 / 0.190
G11     310.2          18.5                8.4 +/-    1.99      19.3 +/-    1.99  0.040 / 0.070
G14     267.8          65.6                8.9 +/-    0.75       9.7 +/-    0.75  0.040 / 0.060
G18     311.6          33.0                8.2 +/-    3.02      13.5 +/-    3.02  0.030 / 0.040
G20     78.3           58.2               15.7 +/-    0.62      18.1 +/-    0.62  0.040 / 0.040
G21     155.3          14.8               10.0 +/-    2.13      24.9 +/-    2.13  0.110 / 0.190
G27     230.8          14.9               13.4 +/-    0.98      33.3 +/-    0.98  0.130 / 0.220
G31     176.3          33.8               12.1 +/-    1.77      19.7 +/-    1.77  0.120 / 0.410
G32     350.7          72.8                9.7 +/-    0.61      10.1 +/-    0.61  0.150 / 0.420