PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/10-17:42:50
G02     41.9           48.3               12.0 +/-    0.87      15.5 +/-    0.87  0.020 / 0.020
G05     109.2          70.3               15.2 +/-    0.78      16.0 +/-    0.78  0.030 / 0.020
G12     185.3          49.0               16.5 +/-    0.42      21.1 +/-    0.42  0.040 / 0.050
G25     266.3          59.3               14.5 +/-    1.90      16.6 +/-    1.90  0.050 / 0.050
G29     316.6          38.3               12.3 +/-    1.12      18.5 +/-    1.12  0.040 / 0.040