PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/23-16:12:30
G10     291.7          50.8                9.7 +/-    2.86      12.1 +/-    2.86  0.050 / 0.080
G15     46.6           29.8                8.5 +/-    1.58      14.9 +/-    1.58  0.070 / 0.080
G20     347.4          65.5                9.8 +/-    0.88      10.7 +/-    0.88  0.110 / 0.190
G21     77.4           76.0               11.3 +/-    0.88      11.6 +/-    0.88  0.180 / 0.210
G24     105.0          24.5               12.7 +/-    1.86      25.2 +/-    1.86  0.040 / 0.040
G27     306.0          32.0                8.9 +/-    1.52      15.0 +/-    1.52  0.040 / 0.040
G29     168.2          13.3               10.3 +/-    1.11      26.5 +/-    1.11  0.100 / 0.110
G32     207.7          28.3               13.2 +/-    2.13      23.9 +/-    2.13  0.110 / 0.070