PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/27-15:12:40
G10     266.9          39.7                9.2 +/-    1.17      13.4 +/-    1.17  0.130 / 0.130
G13     41.7           17.5                5.6 +/-    3.60      13.2 +/-    3.60  0.140 / 0.170
G15     57.5           46.4                6.2 +/-    0.85       8.2 +/-    0.85  0.220 / 0.440
G16     278.8          13.0                7.7 +/-    2.49      20.2 +/-    2.49  0.160 / 0.470
G20     301.9          61.9                7.9 +/-    0.61       8.8 +/-    0.61  0.050 / 0.110
G21     3.6            71.4                7.3 +/-    0.43       7.7 +/-    0.43  0.070 / 0.080
G24     122.8          13.7                9.8 +/-    2.58      25.2 +/-    2.58  0.040 / 0.040
G27     319.1          18.3                5.8 +/-    1.83      13.3 +/-    1.83  0.040 / 0.040
G29     167.3          33.1                8.7 +/-    1.13      14.3 +/-    1.13  0.070 / 0.070