PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/12-21:27:50
G05     51.5           11.2                7.8 +/-    2.02      21.2 +/-    2.02  0.110 / 0.490
G10     241.2          19.7               11.1 +/-    2.85      24.7 +/-    2.85  0.110 / 0.370
G13     65.2           33.9                8.3 +/-    0.66      13.4 +/-    0.66  0.070 / 0.080
G15     111.1          56.4               10.3 +/-    0.49      12.0 +/-    0.49  0.040 / 0.070
G16     307.3          14.6                5.3 +/-    2.18      13.2 +/-    2.18  0.090 / 0.200
G20     256.0          42.8                9.6 +/-    0.99      13.3 +/-    0.99  0.130 / 0.210
G21     320.4          51.3               10.1 +/-    1.20      12.5 +/-    1.20  0.160 / 0.370
G26     279.8          19.0                7.5 +/-    1.61      16.8 +/-    1.61  0.190 / 0.370
G29     158.4          63.6                9.7 +/-    0.87      10.7 +/-    0.87  0.050 / 0.110