PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/28-00:42:30
G03     248.3          69.0                6.6 +/-    0.95       7.0 +/-    0.95  0.030 / 0.040
G09     302.0          16.3                4.2 +/-    1.12      10.2 +/-    1.12  0.040 / 0.040
G14     98.1           15.4                6.0 +/-    1.74      14.8 +/-    1.74  0.110 / 0.210
G16     140.0          55.8                9.2 +/-    0.61      10.9 +/-    0.61  0.090 / 0.130
G22     198.4          58.9                8.0 +/-    0.39       9.2 +/-    0.39  0.030 / 0.040
G23     316.5          46.1                6.7 +/-    0.93       8.8 +/-    0.93  0.030 / 0.040
G26     77.0           54.7                5.5 +/-    0.57       6.6 +/-    0.57  0.110 / 0.210
G31     50.0           24.1                3.8 +/-    2.40       7.6 +/-    2.40  0.240 / 0.270