PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/22-14:57:40
G02     18.7           65.2                5.0 +/-    0.59       5.5 +/-    0.59  0.050 / 0.050
G05     156.6          50.2                8.4 +/-    1.11      10.5 +/-    1.11  0.040 / 0.040
G06     47.9           23.4                5.8 +/-    0.69      11.7 +/-    0.69  0.240 / 0.340
G12     223.9          78.6                5.4 +/-    1.05       5.5 +/-    1.05  0.190 / 0.320
G19     91.2           14.5                6.5 +/-    0.85      16.4 +/-    0.85  0.030 / 0.030
G24     216.8          10.7                6.6 +/-   14.07      18.1 +/-   14.07  0.040 / 0.040
G25     309.7          44.0                5.5 +/-    1.59       7.5 +/-    1.59  0.140 / 0.210
G29     298.6          19.5                5.4 +/-    1.56      12.0 +/-    1.56  0.120 / 0.190