PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/12-17:12:30
G10     301.9          54.0               13.0 +/-    1.14      15.7 +/-    1.14  0.070 / 0.090
G15     45.6           24.2                8.1 +/-    0.89      16.2 +/-    0.89  0.070 / 0.100
G20     2.9            64.8               12.3 +/-    0.90      13.4 +/-    0.90  0.040 / 0.040
G21     100.8          73.0               16.2 +/-    0.64      16.9 +/-    0.64  0.040 / 0.030
G24     97.9           27.3               14.0 +/-    0.76      26.0 +/-    0.76  0.040 / 0.060
G27     299.1          35.2               13.9 +/-    1.58      21.9 +/-    1.58  0.040 / 0.060
G32     210.3          34.8               17.4 +/-    0.99      27.7 +/-    0.99  0.070 / 0.140