PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/13-22:43:00
G10     279.1          44.0               10.8 +/-    0.70      14.7 +/-    0.70  0.090 / 0.170
G13     38.7           11.3               10.2 +/-    3.12      27.7 +/-    3.12  0.100 / 0.180
G15     50.7           40.4               12.1 +/-    0.71      17.4 +/-    0.71  0.080 / 0.160
G18     326.0          66.7               10.0 +/-    0.94      10.7 +/-    0.94  0.060 / 0.170
G20     62.4           26.4                9.3 +/-    1.33      17.6 +/-    1.33  0.040 / 0.040
G21     45.5           76.7               11.3 +/-    0.48      11.5 +/-    0.48  0.040 / 0.040
G24     112.1          20.2               13.7 +/-    0.78      30.1 +/-    0.78  0.060 / 0.130
G27     311.1          28.1               10.0 +/-    0.74      18.3 +/-    0.74  0.070 / 0.130
G29     167.1          16.6               13.5 +/-    0.78      32.4 +/-    0.78  0.110 / 0.150
G32     207.2          17.1               13.5 +/-    1.57      31.9 +/-    1.57  0.080 / 0.190