PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/26-15:57:30
G10     290.0          50.2                8.5 +/-    3.11      10.7 +/-    3.11  0.070 / 0.100
G15     46.9           30.8                5.0 +/-    1.07       8.6 +/-    1.07  0.080 / 0.110
G20     344.7          65.5                6.8 +/-    0.85       7.4 +/-    0.85  0.190 / 0.260
G21     72.5           76.3                8.5 +/-    1.13       8.7 +/-    1.13  0.100 / 0.210
G24     106.2          23.9                8.6 +/-    1.09      17.2 +/-    1.09  0.040 / 0.030
G27     307.1          31.3                6.9 +/-    0.77      11.7 +/-    0.77  0.040 / 0.030
G29     168.3          14.5                9.2 +/-    1.27      23.3 +/-    1.27  0.120 / 0.100
G32     207.3          27.1               10.0 +/-    1.25      18.7 +/-    1.25  0.090 / 0.110