PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/09-09:27:50
G01     236.9          27.7                7.1 +/-    1.45      13.1 +/-    1.45  0.040 / 0.030
G03     309.7          58.6                5.0 +/-    1.01       5.8 +/-    1.01  0.030 / 0.030
G14     72.6           33.1                2.9 +/-    0.93       4.7 +/-    0.93  0.040 / 0.060
G16     157.5          29.1                5.7 +/-    1.65      10.2 +/-    1.65  0.040 / 0.070
G18     210.9          16.9                5.0 +/-    2.47      11.8 +/-    2.47  0.100 / 0.130
G22     266.8          75.8                6.0 +/-    0.76       6.2 +/-    0.76  0.100 / 0.140
G23     297.3          29.5                4.7 +/-    2.25       8.3 +/-    2.25  0.080 / 0.120
G26     123.6          47.5                6.0 +/-    1.00       7.9 +/-    1.00  0.070 / 0.110
G31     41.6           44.9                3.9 +/-    1.04       5.3 +/-    1.04  0.060 / 0.110
G32     86.4           17.4                3.2 +/-    2.23       7.6 +/-    2.23  0.060 / 0.120