PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/06-23:42:20
G02     54.6           36.4                9.0 +/-    1.90      13.9 +/-    1.90  0.050 / 0.060
G05     67.4           64.8                9.4 +/-    0.43      10.2 +/-    0.43  0.060 / 0.050
G12     187.3          41.3               11.9 +/-    0.74      16.9 +/-    0.74  0.050 / 0.090
G13     131.6          10.9               10.2 +/-   24.13      27.9 +/-   24.13  0.050 / 0.100
G21     266.8          13.6               12.6 +/-   13.43      32.5 +/-   13.43  0.150 / 0.320
G25     247.2          55.7               10.5 +/-    1.94      12.4 +/-    1.94  0.250 / 0.360
G29     326.3          50.9                9.8 +/-    1.48      12.3 +/-    1.48  0.220 / 0.580