PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/24-12:58:00
G02     74.9           19.3                3.4 +/-    1.28       7.7 +/-    1.28  0.030 / 0.040
G05     45.3           46.7                3.2 +/-    0.60       4.3 +/-    0.60  0.030 / 0.040
G12     178.5          12.8                4.8 +/-    3.43      12.7 +/-    3.43  0.270 / 0.290
G13     110.4          26.4                6.1 +/-    2.45      11.5 +/-    2.45  0.370 / 0.530
G15     150.7          29.1                5.7 +/-    2.64      10.2 +/-    2.64  0.030 / 0.030
G20     227.8          15.8                2.9 +/-    7.52       7.0 +/-    7.52  0.030 / 0.030
G21     287.2          28.6                4.5 +/-    1.63       8.1 +/-    1.63  0.200 / 0.150
G25     216.9          37.2                6.8 +/-    1.91      10.4 +/-    1.91  0.080 / 0.190
G26     315.5          12.9                1.9 +/-    1.98       5.1 +/-    1.98  0.070 / 0.140
G29     341.6          71.8                3.2 +/-    0.66       3.3 +/-    0.66  0.080 / 0.170