PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/26-08:27:50
G01     233.1          24.7                5.4 +/-    1.66      10.6 +/-    1.66  0.070 / 0.170
G03     305.6          61.7                4.5 +/-    1.20       5.0 +/-    1.20  0.090 / 0.180
G14     76.5           30.8                4.0 +/-    0.62       6.9 +/-    0.62  0.030 / 0.040
G16     154.5          33.7                5.9 +/-    0.99       9.6 +/-    0.99  0.030 / 0.040
G18     208.5          13.8                3.0 +/-    1.90       7.6 +/-    1.90  0.040 / 0.050
G22     250.9          75.7                4.9 +/-    0.76       5.0 +/-    0.76  0.050 / 0.060
G23     301.1          33.0                3.8 +/-    1.71       6.3 +/-    1.71  0.090 / 0.170
G26     116.8          50.2                5.5 +/-    1.41       7.0 +/-    1.41  0.090 / 0.150
G31     42.6           40.5                2.0 +/-    1.05       2.9 +/-    1.05  0.070 / 0.140
G32     90.1           14.3                3.6 +/-    1.63       9.2 +/-    1.63  0.080 / 0.150