PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/11-23:58:00
G02     46.4           43.9               10.4 +/-    0.78      14.2 +/-    0.78  0.020 / 0.030
G05     95.3           69.0               11.8 +/-    0.72      12.6 +/-    0.72  0.030 / 0.040
G12     187.2          49.3               13.9 +/-    1.38      17.6 +/-    1.38  0.060 / 0.080
G25     268.3          58.3               11.9 +/-    0.65      13.7 +/-    0.65  0.040 / 0.080
G29     317.2          39.0               12.4 +/-    1.21      18.4 +/-    1.21  0.040 / 0.060