PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/07-10:42:40
G03     201.3          43.2                5.9 +/-    0.58       8.1 +/-    0.58  0.070 / 0.110
G07     269.4          24.4                5.4 +/-    2.48      10.7 +/-    2.48  0.080 / 0.150
G08     155.6          10.2              -14.9 +/-   16.92     -41.5 +/-   16.92  0.110 / 0.180
G09     317.5          42.7                5.1 +/-    0.77       7.1 +/-    0.77  0.110 / 0.160
G16     58.5           56.5                5.2 +/-    0.55       6.1 +/-    0.55  0.040 / 0.040
G22     183.1          25.6                4.4 +/-    1.92       8.5 +/-    1.92  0.040 / 0.050
G23     353.6          74.6                5.9 +/-    0.89       6.1 +/-    0.89  0.030 / 0.030
G26     44.6           28.6                3.5 +/-    2.20       6.3 +/-    2.20  0.040 / 0.030
G27     122.4          20.9                5.6 +/-    2.06      12.0 +/-    2.06  0.110 / 0.120