PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/07-15:42:40
G05     53.0           10.2                7.5 +/-    2.92      20.9 +/-    2.92  0.220 / 0.540
G10     245.0          23.8                9.4 +/-    3.50      19.0 +/-    3.50  0.150 / 0.520
G13     59.5           31.9                7.7 +/-    1.09      12.9 +/-    1.09  0.050 / 0.060
G15     96.3           57.0                9.4 +/-    0.66      10.9 +/-    0.66  0.050 / 0.070
G16     301.6          15.8                3.8 +/-    3.95       9.3 +/-    3.95  0.110 / 0.370
G20     263.3          48.5               11.4 +/-    0.86      14.6 +/-    0.86  0.160 / 0.340
G21     326.7          55.3                8.9 +/-    0.56      10.6 +/-    0.56  0.080 / 0.190
G26     274.9          17.7                6.9 +/-    2.01      16.1 +/-    2.01  0.060 / 0.210
G29     161.4          59.1               11.1 +/-    1.55      12.8 +/-    1.55  0.070 / 0.140