PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/23-04:27:50
G08     290.6          22.5                4.9 +/-    1.51      10.2 +/-    1.51  0.040 / 0.110
G10     20.7           62.6                2.8 +/-    0.68       3.1 +/-    0.68  0.050 / 0.140
G14     233.6          50.4                7.6 +/-    1.10       9.6 +/-    1.10  0.070 / 0.130
G18     317.8          14.7                4.0 +/-    1.72      10.0 +/-    1.72  0.100 / 0.120
G20     71.6           49.8                3.7 +/-    0.69       4.6 +/-    0.69  0.030 / 0.030
G21     149.0          36.1                4.8 +/-    1.00       7.5 +/-    1.00  0.040 / 0.030
G24     52.2           23.3                3.3 +/-    0.69       6.7 +/-    0.69  0.040 / 0.070
G27     250.5          29.6                5.9 +/-    1.24      10.4 +/-    1.24  0.050 / 0.070
G31     182.3          11.0               -2.2 +/-   15.25      -5.9 +/-   15.25  0.090 / 0.240
G32     253.0          69.2                5.4 +/-    0.58       5.7 +/-    0.58  0.100 / 0.200