PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/10-01:43:10
G02     36.4           52.7               10.1 +/-    0.77      12.4 +/-    0.77  0.030 / 0.040
G05     130.7          64.5               13.6 +/-    0.75      15.0 +/-    0.75  0.050 / 0.040
G06     55.4           13.5                9.3 +/-    1.00      24.0 +/-    1.00  0.030 / 0.050
G12     195.8          64.9               12.4 +/-    0.94      13.5 +/-    0.94  0.030 / 0.040
G25     294.0          54.3               10.8 +/-    0.86      12.9 +/-    0.86  0.030 / 0.060
G29     308.7          29.2                8.7 +/-    2.01      15.5 +/-    2.01  0.030 / 0.050