PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/12-02:27:40
G10     258.8          34.1                9.9 +/-    2.16      16.0 +/-    2.16  0.050 / 0.060
G13     46.2           23.4                5.8 +/-    1.12      11.8 +/-    1.12  0.050 / 0.050
G15     68.7           53.3                7.7 +/-    0.41       9.3 +/-    0.41  0.150 / 0.370
G16     288.8          14.2                6.5 +/-    2.19      16.5 +/-    2.19  0.160 / 0.280
G20     283.2          56.1               10.1 +/-    0.78      11.9 +/-    0.78  0.090 / 0.120
G21     347.1          66.3                7.9 +/-    0.34       8.6 +/-    0.34  0.080 / 0.100
G26     261.2          11.7                8.9 +/-    1.65      24.0 +/-    1.65  0.100 / 0.320
G27     322.0          11.3               -4.6 +/-   31.88     -12.5 +/-   31.88  0.110 / 0.290
G29     164.8          38.3                9.2 +/-    0.84      13.7 +/-    0.84  0.060 / 0.240