PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/23-12:43:10
G02     68.5           24.3                6.1 +/-    1.47      12.2 +/-    1.47  0.040 / 0.040
G05     49.0           54.7                4.3 +/-    0.93       5.2 +/-    0.93  0.040 / 0.040
G12     180.1          20.3                6.1 +/-    2.04      13.2 +/-    2.04  0.160 / 0.260
G13     118.0          21.5                9.7 +/-    1.58      20.6 +/-    1.58  0.160 / 0.190
G15     155.7          22.2                6.5 +/-    2.90      13.7 +/-    2.90  0.030 / 0.040
G21     280.3          23.7                6.6 +/-    2.03      13.3 +/-    2.03  0.030 / 0.030
G25     224.1          44.2                7.4 +/-    3.47      10.1 +/-    3.47  0.080 / 0.110
G29     335.0          63.4                5.8 +/-    0.45       6.4 +/-    0.45  0.130 / 0.150