PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/08-19:27:40
G10     299.9          52.3                8.1 +/-    0.66       9.9 +/-    0.66  0.070 / 0.090
G14     210.8          14.8               12.3 +/-    5.33      30.8 +/-    5.33  0.070 / 0.090
G15     45.7           25.4                7.6 +/-    1.05      14.8 +/-    1.05  0.070 / 0.250
G18     6.2            65.3                6.8 +/-    0.98       7.4 +/-    0.98  0.100 / 0.310
G20     72.7           17.6                8.6 +/-    0.61      20.2 +/-    0.61  0.070 / 0.130
G21     107.9          69.1                9.4 +/-    1.25      10.0 +/-    1.25  0.060 / 0.130
G24     96.5           27.4               11.7 +/-    1.44      21.7 +/-    1.44  0.030 / 0.040
G27     296.3          35.9                9.4 +/-    1.50      14.6 +/-    1.50  0.040 / 0.050
G32     212.2          32.3               10.1 +/-    1.64      16.9 +/-    1.64  0.060 / 0.100