PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/12-02:58:00
G03     201.9          43.1                6.7 +/-    0.73       9.3 +/-    0.73  0.080 / 0.120
G07     270.5          25.7                4.4 +/-    1.39       8.4 +/-    1.39  0.110 / 0.130
G08     154.2          11.2                2.7 +/-   20.48       7.4 +/-   20.48  0.100 / 0.190
G09     317.3          42.1                4.5 +/-    0.81       6.4 +/-    0.81  0.150 / 0.160
G16     67.1           64.1                5.9 +/-    0.62       6.5 +/-    0.62  0.250 / 0.410
G22     184.3          26.9                5.6 +/-    1.47      10.5 +/-    1.47  0.210 / 0.370
G23     346.5          72.8                5.3 +/-    0.46       5.5 +/-    0.46  0.040 / 0.030
G26     45.7           33.8                4.2 +/-    1.18       6.9 +/-    1.18  0.040 / 0.030
G27     120.3          21.7                7.8 +/-    1.02      16.4 +/-    1.02  0.060 / 0.060