PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/06-18:42:20
G02     33.8           54.2                8.5 +/-    0.76      10.2 +/-    0.76  0.050 / 0.050
G05     133.9          64.6               10.1 +/-    0.94      11.0 +/-    0.94  0.050 / 0.060
G06     55.3           12.7                6.0 +/-    1.54      15.8 +/-    1.54  0.030 / 0.040
G12     196.2          65.3                7.2 +/-    1.06       7.8 +/-    1.06  0.040 / 0.040
G25     292.9          54.6                8.1 +/-    0.68       9.7 +/-    0.68  0.080 / 0.130
G29     309.5          30.6                8.4 +/-    1.87      14.6 +/-    1.87  0.140 / 0.160