PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/08-15:27:40
G02     63.6           28.9               14.4 +/-    2.02      25.8 +/-    2.02  0.030 / 0.040
G05     54.4           59.4               16.8 +/-    0.68      19.2 +/-    0.68  0.030 / 0.030
G12     185.3          29.2               15.7 +/-    1.26      27.9 +/-    1.26  0.180 / 0.220
G13     126.4          17.9               19.3 +/-    2.36      44.7 +/-    2.36  0.180 / 0.190
G15     160.7          15.7               15.4 +/-    1.32      37.6 +/-    1.32  0.080 / 0.120
G20     211.1          63.4               17.5 +/-    0.79      19.4 +/-    0.79  0.110 / 0.110
G21     275.8          22.8               14.3 +/-    3.33      29.4 +/-    3.33  0.040 / 0.030
G25     229.3          48.4               16.2 +/-    2.51      20.8 +/-    2.51  0.040 / 0.040
G29     337.7          64.3               12.5 +/-    0.86      13.7 +/-    0.86  0.060 / 0.100