PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/08-16:58:10
G05     47.4           21.7                8.8 +/-    0.82      18.7 +/-    0.82  0.080 / 0.140
G13     82.5           37.3               13.7 +/-    1.19      20.9 +/-    1.19  0.070 / 0.150
G15     128.2          49.7               17.1 +/-    0.79      21.7 +/-    0.79  0.040 / 0.050
G18     242.3          40.3               15.5 +/-    0.79      22.4 +/-    0.79  0.050 / 0.040
G20     21.2           71.5               13.9 +/-    0.79      14.5 +/-    0.79  0.080 / 0.200
G21     312.1          47.4               11.3 +/-    1.53      14.7 +/-    1.53  0.100 / 0.210
G25     200.5          13.1               17.7 +/-    2.57      46.1 +/-    2.57  0.040 / 0.080
G26     295.5          19.0                9.2 +/-    1.14      20.7 +/-    1.14  0.050 / 0.080
G29     148.3          70.0               15.0 +/-    0.75      15.8 +/-    0.75  0.200 / 0.390