PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/04-20:58:00
G08     294.2          23.1               11.2 +/-    1.66      22.8 +/-    1.66  0.080 / 0.080
G10     1.7            62.9                9.5 +/-    0.66      10.5 +/-    0.66  0.080 / 0.090
G14     228.7          45.9               16.0 +/-    0.76      21.3 +/-    0.76  0.050 / 0.110
G18     62.2           51.4               10.5 +/-    0.35      13.0 +/-    0.35  0.040 / 0.110
G21     144.7          38.6               12.6 +/-    0.74      18.8 +/-    0.74  0.060 / 0.110
G24     58.9           27.3               10.7 +/-    0.92      19.8 +/-    0.92  0.070 / 0.120
G27     254.6          32.3               12.2 +/-    1.40      20.3 +/-    1.40  0.030 / 0.030
G32     241.6          63.9               14.3 +/-    0.69      15.7 +/-    0.69  0.030 / 0.040