PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/14-13:42:30
G10     257.4          33.8                4.4 +/-    1.14       7.2 +/-    1.14  0.130 / 0.360
G13     47.0           24.0                3.5 +/-    0.54       6.9 +/-    0.54  0.150 / 0.340
G15     68.0           52.1                5.3 +/-    0.40       6.5 +/-    0.40  0.140 / 0.540
G16     287.8          15.2                0.4 +/-    3.00       1.0 +/-    3.00  0.150 / 0.590
G20     285.2          58.1                5.5 +/-    1.03       6.4 +/-    1.03  0.050 / 0.050
G21     346.9          65.7                1.0 +/-    0.76       1.1 +/-    0.76  0.050 / 0.050
G26     262.2          12.4                3.0 +/-    1.89       8.0 +/-    1.89  0.050 / 0.070
G27     322.0          11.0              -11.0 +/-   24.85     -30.2 +/-   24.85  0.050 / 0.060
G29     165.7          43.1                7.8 +/-    0.80      10.9 +/-    0.80  0.060 / 0.160