PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/30-22:57:30
G08     304.2          21.4               11.0 +/-    1.45      23.5 +/-    1.45  0.070 / 0.080
G10     339.3          61.0               12.2 +/-    1.11      13.8 +/-    1.11  0.060 / 0.110
G14     220.9          36.7               15.7 +/-    1.01      24.1 +/-    1.01  0.040 / 0.060
G18     46.3           57.2               13.7 +/-    0.53      16.0 +/-    0.53  0.040 / 0.070
G21     138.0          50.6               16.4 +/-    0.45      20.5 +/-    0.45  0.040 / 0.040
G24     70.2           30.2               14.4 +/-    0.43      25.0 +/-    0.43  0.040 / 0.040
G27     266.9          36.5               15.2 +/-    1.47      23.4 +/-    1.47  0.060 / 0.100
G32     227.8          53.3               14.9 +/-    1.71      18.1 +/-    1.71  0.050 / 0.090