PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/11-22:13:00
G08     304.3          21.3               10.7 +/-    2.23      22.9 +/-    2.23  0.070 / 0.090
G10     339.4          61.0               11.3 +/-    1.29      12.7 +/-    1.29  0.060 / 0.090
G14     220.9          36.5               18.1 +/-    2.23      28.0 +/-    2.23  0.030 / 0.070
G18     46.7           57.1               11.9 +/-    0.47      13.9 +/-    0.47  0.040 / 0.060
G21     138.0          50.1               15.2 +/-    0.75      19.1 +/-    0.75  0.060 / 0.090
G24     70.1           30.2               12.7 +/-    0.84      22.1 +/-    0.84  0.050 / 0.070
G27     266.9          36.5               17.0 +/-    1.10      26.2 +/-    1.10  0.050 / 0.060
G32     227.8          53.4               17.2 +/-    1.79      20.8 +/-    1.79  0.040 / 0.040