PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/06-11:57:40
G02     71.3           21.8                5.1 +/-    2.23      10.8 +/-    2.23  0.030 / 0.050
G05     46.9           50.7                5.3 +/-    0.53       6.6 +/-    0.53  0.050 / 0.040
G12     179.9          17.8                4.2 +/-    1.16       9.7 +/-    1.16  0.130 / 0.270
G13     115.0          23.5                9.2 +/-    1.25      18.5 +/-    1.25  0.120 / 0.250
G15     153.3          25.2                6.7 +/-    1.08      13.0 +/-    1.08  0.030 / 0.030
G20     225.4          12.1               -4.7 +/-   12.11     -12.5 +/-   12.11  0.030 / 0.030
G21     283.3          25.9                6.7 +/-    2.77      12.9 +/-    2.77  0.090 / 0.200
G25     220.7          41.3                8.1 +/-    2.75      11.5 +/-    2.75  0.220 / 0.230
G29     337.4          66.7                6.7 +/-    0.61       7.2 +/-    0.61  0.080 / 0.200