PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/24-06:43:00
G01     257.1          37.9                6.7 +/-    1.32      10.0 +/-    1.32  0.050 / 0.050
G03     316.5          38.1                5.1 +/-    1.14       7.7 +/-    1.14  0.040 / 0.050
G11     240.9          14.8                5.0 +/-    2.13      12.4 +/-    2.13  0.040 / 0.070
G14     53.1           45.6                3.0 +/-    0.65       4.0 +/-    0.65  0.040 / 0.080
G18     224.7          31.4                6.6 +/-    0.97      11.3 +/-    0.97  0.080 / 0.110
G22     309.4          62.0                5.4 +/-    0.69       6.1 +/-    0.69  0.070 / 0.120
G25     43.3           12.4                0.6 +/-    0.61       1.6 +/-    0.61  0.110 / 0.270
G26     138.0          34.7                3.6 +/-   12.76       5.8 +/-   12.76  0.130 / 0.270
G31     43.0           61.1                5.3 +/-    0.35       6.0 +/-    0.35  0.070 / 0.110
G32     74.0           24.4                5.4 +/-    1.18      10.7 +/-    1.18  0.070 / 0.110