PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/29-22:27:50
G02     239.3          75.3               11.3 +/-    0.52      11.6 +/-    0.52  0.040 / 0.060
G05     171.3          16.0               17.4 +/-    1.46      42.3 +/-    1.46  0.050 / 0.060
G06     41.0           58.3               10.4 +/-    0.55      12.0 +/-    0.55  0.060 / 0.120
G12     321.8          52.1               11.6 +/-    0.83      14.3 +/-    0.83  0.070 / 0.120
G17     69.1           25.0               10.3 +/-    1.23      20.2 +/-    1.23  0.120 / 0.180
G19     54.8           40.7               10.6 +/-    0.90      15.3 +/-    0.90  0.080 / 0.170
G24     245.7          35.3               15.3 +/-    1.13      24.2 +/-    1.13  0.130 / 0.360
G25     316.5          11.0               -7.5 +/-   38.10     -20.4 +/-   38.10  0.190 / 0.470