PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/04-20:57:30
G08     294.2          23.1               10.8 +/-    0.76      22.0 +/-    0.76  0.120 / 0.100
G10     1.7            62.9               11.6 +/-    0.66      12.8 +/-    0.66  0.100 / 0.090
G14     228.7          45.9               13.2 +/-    2.19      17.5 +/-    2.19  0.050 / 0.080
G18     62.2           51.4               11.0 +/-    0.68      13.7 +/-    0.68  0.060 / 0.070
G21     144.7          38.6               13.4 +/-    0.85      20.0 +/-    0.85  0.090 / 0.080
G24     58.9           27.3               11.0 +/-    1.60      20.5 +/-    1.60  0.110 / 0.130
G27     254.6          32.3               11.7 +/-    2.13      19.6 +/-    2.13  0.030 / 0.030
G32     241.6          63.9               14.2 +/-    0.78      15.7 +/-    0.78  0.030 / 0.030