PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/09-00:28:00
G08     304.0          21.5                7.2 +/-    2.40      15.3 +/-    2.40  0.050 / 0.080
G10     339.2          61.0                5.5 +/-    0.79       6.2 +/-    0.79  0.050 / 0.060
G14     220.9          36.9               10.7 +/-    1.12      16.4 +/-    1.12  0.070 / 0.060
G18     45.4           57.6                7.1 +/-    0.38       8.3 +/-    0.38  0.060 / 0.100
G21     138.0          51.4                9.8 +/-    1.11      12.1 +/-    1.11  0.040 / 0.050
G24     70.2           30.2               10.0 +/-    0.67      17.4 +/-    0.67  0.030 / 0.040
G27     266.8          36.5                7.5 +/-    1.14      11.6 +/-    1.14  0.050 / 0.150
G32     227.9          54.2                9.3 +/-    0.77      11.2 +/-    0.77  0.050 / 0.130