PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/29-03:57:50
G08     293.4          22.3                7.0 +/-    1.20      14.5 +/-    1.20  0.070 / 0.110
G10     15.3           62.7                7.8 +/-    0.76       8.7 +/-    0.76  0.080 / 0.110
G14     231.1          48.1                9.1 +/-    2.07      11.8 +/-    2.07  0.050 / 0.030
G18     317.9          12.5                5.1 +/-    2.98      13.5 +/-    2.98  0.050 / 0.030
G20     68.2           51.2                6.9 +/-    0.86       8.6 +/-    0.86  0.050 / 0.070
G21     147.9          38.7                9.2 +/-    0.70      13.7 +/-    0.70  0.060 / 0.080
G24     54.4           24.6                6.0 +/-    1.86      11.8 +/-    1.86  0.090 / 0.090
G27     253.0          31.0                9.0 +/-    3.55      15.5 +/-    3.55  0.070 / 0.090
G32     247.7          67.5                7.1 +/-    0.48       7.6 +/-    0.48  0.100 / 0.150