PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/11-17:58:10
G10     289.2          49.1               10.1 +/-    3.11      12.9 +/-    3.11  0.040 / 0.040
G15     48.1           35.9                8.9 +/-    0.82      13.8 +/-    0.82  0.040 / 0.040
G20     338.0          65.3               10.5 +/-    0.64      11.5 +/-    0.64  0.080 / 0.060
G21     78.9           75.5               11.8 +/-    0.30      12.1 +/-    0.30  0.070 / 0.080
G24     99.7           23.8               12.2 +/-    1.67      24.4 +/-    1.67  0.100 / 0.130
G27     307.9          29.9               10.4 +/-    1.10      18.2 +/-    1.10  0.080 / 0.110
G29     168.0          12.6               14.0 +/-    2.53      37.0 +/-    2.53  0.070 / 0.100
G32     208.3          26.1               12.9 +/-    2.41      24.6 +/-    2.41  0.070 / 0.090