PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/08-23:28:00
G02     29.9           58.2                9.5 +/-    0.60      11.0 +/-    0.60  0.030 / 0.040
G05     142.5          59.6               12.3 +/-    0.27      14.0 +/-    0.27  0.040 / 0.040
G06     52.3           17.4                9.0 +/-    2.28      21.2 +/-    2.28  0.060 / 0.040
G12     200.4          70.6               11.3 +/-    0.53      11.9 +/-    0.53  0.060 / 0.040
G19     96.7           13.5               10.2 +/-    1.23      26.3 +/-    1.23  0.040 / 0.050
G25     301.9          50.8                9.5 +/-    1.51      11.9 +/-    1.51  0.050 / 0.060
G29     304.5          24.5                9.6 +/-    0.70      18.9 +/-    0.70  0.060 / 0.100