PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/11-00:27:50
G08     300.4          22.4               11.5 +/-    0.82      23.8 +/-    0.82  0.030 / 0.020
G10     346.8          61.9               11.3 +/-    0.66      12.6 +/-    0.66  0.020 / 0.020
G14     223.4          40.3               14.6 +/-    1.51      21.1 +/-    1.51  0.040 / 0.080
G18     51.1           55.8               12.3 +/-    0.89      14.6 +/-    0.89  0.060 / 0.060
G21     140.8          47.7               13.3 +/-    0.63      17.3 +/-    0.63  0.030 / 0.060
G24     66.0           29.5               11.9 +/-    0.89      21.1 +/-    0.89  0.040 / 0.060
G27     262.3          35.3               13.9 +/-    1.80      21.9 +/-    1.80  0.080 / 0.100
G32     232.0          57.6               12.7 +/-    1.96      14.7 +/-    1.96  0.100 / 0.110