PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/22-14:57:30
G02     18.7           65.2                5.9 +/-    0.86       6.5 +/-    0.86  0.340 / 0.600
G05     156.6          50.2                8.3 +/-    1.29      10.4 +/-    1.29  0.170 / 0.450
G06     47.9           23.4                5.7 +/-    2.05      11.5 +/-    2.05  0.220 / 0.270
G12     223.9          78.6                6.0 +/-    0.48       6.1 +/-    0.48  0.170 / 0.310
G19     91.2           14.5                7.1 +/-    2.85      18.0 +/-    2.85  0.040 / 0.040
G24     216.8          10.7                5.8 +/-   10.95      15.9 +/-   10.95  0.030 / 0.040
G25     309.7          44.0                7.4 +/-    1.63      10.1 +/-    1.63  0.050 / 0.040
G29     298.6          19.5                6.1 +/-    1.68      13.6 +/-    1.68  0.050 / 0.040