PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/07-22:43:10
G08     297.7          22.8               15.0 +/-    1.06      30.8 +/-    1.06  0.040 / 0.060
G10     353.1          62.4               13.7 +/-    0.76      15.3 +/-    0.76  0.040 / 0.090
G14     225.6          42.7               19.7 +/-    1.11      27.4 +/-    1.11  0.030 / 0.040
G18     56.2           53.9               15.6 +/-    0.77      18.8 +/-    0.77  0.040 / 0.040
G21     142.6          43.7               19.5 +/-    1.36      26.7 +/-    1.36  0.050 / 0.100
G24     62.9           28.7               13.9 +/-    0.50      24.9 +/-    0.50  0.060 / 0.100
G27     258.8          34.1               18.2 +/-    1.47      29.4 +/-    1.47  0.080 / 0.130
G32     235.4          59.4               18.4 +/-    0.79      21.0 +/-    0.79  0.080 / 0.140