PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/18-15:42:40
G10     263.5          37.7                8.8 +/-    1.17      13.3 +/-    1.17  0.130 / 0.370
G13     43.3           19.8                6.5 +/-    1.23      14.3 +/-    1.23  0.140 / 0.260
G15     61.0           49.0                8.1 +/-    0.32      10.3 +/-    0.32  0.130 / 0.430
G16     281.7          13.9                7.3 +/-    1.73      18.6 +/-    1.73  0.130 / 0.390
G20     295.3          60.5                7.9 +/-    0.75       9.0 +/-    0.75  0.070 / 0.040
G21     356.1          69.3                7.9 +/-    0.58       8.4 +/-    0.58  0.050 / 0.050
G24     125.3          11.9               10.7 +/-    1.47      28.6 +/-    1.47  0.070 / 0.080
G27     320.3          15.9                3.4 +/-    1.37       8.4 +/-    1.37  0.070 / 0.070
G29     166.9          36.4                9.0 +/-    1.57      14.0 +/-    1.57  0.040 / 0.080