PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/04/26-02:43:00
G02     37.4           51.8                9.6 +/-    0.30      11.8 +/-    0.30  0.020 / 0.050
G05     128.7          65.0               12.5 +/-    1.04      13.7 +/-    1.04  0.030 / 0.040
G06     55.7           13.3                5.8 +/-    1.45      15.1 +/-    1.45  0.030 / 0.040
G12     196.0          64.4               12.5 +/-    1.06      13.7 +/-    1.06  0.030 / 0.050
G25     292.9          54.6               10.8 +/-    0.89      12.9 +/-    0.89  0.050 / 0.060
G29     309.4          30.0               10.6 +/-    1.01      18.7 +/-    1.01  0.050 / 0.060