PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/04/10-02:12:30
G02     288.9          82.1                7.4 +/-    0.77       7.5 +/-    0.77  0.020 / 0.040
G05     167.4          24.6               10.2 +/-    1.28      20.1 +/-    1.28  0.030 / 0.030
G06     39.9           50.4                7.8 +/-    0.84       9.8 +/-    0.84  0.070 / 0.120
G12     320.2          59.9                8.8 +/-    1.34      10.0 +/-    1.34  0.090 / 0.100
G17     76.0           21.0                7.1 +/-    1.34      15.2 +/-    1.34  0.120 / 0.150
G19     65.0           34.1                9.0 +/-    1.19      14.6 +/-    1.19  0.130 / 0.170
G24     237.3          29.8               10.8 +/-    1.81      19.0 +/-    1.81  0.030 / 0.040
G25     317.7          18.7                6.6 +/-    1.46      15.0 +/-    1.46  0.060 / 0.050