PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/11-18:12:30
G02     55.2           37.8               10.2 +/-    0.78      15.5 +/-    0.78  0.040 / 0.090
G05     64.4           65.4                9.5 +/-    0.54      10.4 +/-    0.54  0.040 / 0.090
G12     182.6          32.4               17.0 +/-    2.22      28.4 +/-    2.22  0.030 / 0.030
G13     129.6          13.7               18.1 +/-    1.88      46.5 +/-    1.88  0.030 / 0.040
G21     269.6          15.7               13.2 +/-    3.43      32.1 +/-    3.43  0.080 / 0.090
G25     236.7          53.2               11.8 +/-    0.55      14.4 +/-    0.55  0.050 / 0.100
G29     326.4          51.6                9.4 +/-    0.73      11.6 +/-    0.73  0.030 / 0.060