PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/05-19:43:00
G05     51.0           14.1               14.7 +/-    1.03      37.5 +/-    1.03  0.170 / 0.520
G10     241.1          16.9               18.9 +/-    1.25      44.9 +/-    1.25  0.180 / 0.400
G13     68.2           36.4               15.5 +/-    1.05      24.0 +/-    1.05  0.120 / 0.240
G15     111.2          55.9               18.3 +/-    0.41      21.6 +/-    0.41  0.120 / 0.230
G16     311.5          12.2               13.8 +/-    4.40      36.7 +/-    4.40  0.050 / 0.060
G18     253.3          48.1               19.1 +/-    1.53      24.7 +/-    1.53  0.050 / 0.060
G20     33.6           59.8               17.4 +/-    0.58      19.8 +/-    0.58  0.090 / 0.190
G21     321.8          53.4               17.2 +/-    1.07      20.9 +/-    1.07  0.090 / 0.180
G26     284.5          18.3               16.1 +/-    2.04      36.8 +/-    2.04  0.050 / 0.110
G29     157.6          58.7               19.3 +/-    0.98      22.1 +/-    0.98  0.060 / 0.110