PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/29-22:28:00
G02     239.3          75.3               11.6 +/-    0.36      11.9 +/-    0.36  0.040 / 0.040
G05     171.3          16.0               16.5 +/-    1.63      40.0 +/-    1.63  0.050 / 0.040
G06     41.0           58.3               11.0 +/-    0.53      12.6 +/-    0.53  0.070 / 0.090
G12     321.8          52.1               10.9 +/-    0.60      13.4 +/-    0.60  0.100 / 0.100
G17     69.1           25.0               10.7 +/-    1.17      20.9 +/-    1.17  0.180 / 0.270
G19     54.8           40.7               10.0 +/-    1.90      14.4 +/-    1.90  0.140 / 0.250
G24     245.7          35.3               15.6 +/-    2.29      24.7 +/-    2.29  0.050 / 0.040