PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/10-00:12:30
G02     293.7          81.8               10.7 +/-    0.92      10.8 +/-    0.92  0.040 / 0.030
G05     167.0          25.7               18.2 +/-    2.32      35.0 +/-    2.32  0.030 / 0.040
G06     40.2           48.3               11.0 +/-    1.14      14.2 +/-    1.14  0.120 / 0.140
G12     319.8          62.2               11.6 +/-    1.00      12.9 +/-    1.00  0.090 / 0.130
G17     77.3           19.6               12.6 +/-    1.08      27.9 +/-    1.08  0.120 / 0.150
G19     65.7           33.9               11.4 +/-    1.30      18.6 +/-    1.30  0.080 / 0.180
G24     235.8          28.9               15.5 +/-    0.98      27.7 +/-    0.98  0.040 / 0.050
G25     317.8          19.9                8.9 +/-    2.43      19.6 +/-    2.43  0.050 / 0.040