PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/05-02:58:10
G01     225.5          16.4                4.3 +/-    1.53      10.5 +/-    1.53  0.040 / 0.040
G03     286.9          67.2                3.0 +/-    1.20       3.2 +/-    1.20  0.040 / 0.040
G09     296.6          13.7                3.8 +/-    1.86       9.8 +/-    1.86  0.130 / 0.300
G14     87.3           23.9                4.7 +/-    1.07       9.4 +/-    1.07  0.140 / 0.260
G16     143.9          46.6                7.9 +/-    1.27      10.4 +/-    1.27  0.110 / 0.200
G22     217.2          70.0                5.0 +/-    0.76       5.3 +/-    0.76  0.120 / 0.190
G23     307.4          36.9                4.6 +/-    1.28       7.0 +/-    1.28  0.050 / 0.070
G26     94.7           54.2                5.7 +/-    0.68       6.8 +/-    0.68  0.050 / 0.090
G31     45.7           31.4                2.7 +/-    0.56       4.5 +/-    0.56  0.140 / 0.230