PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/05-06:27:50
G01     309.0          31.8                4.7 +/-    1.40       8.0 +/-    1.40  0.040 / 0.050
G10     103.8          41.4                4.9 +/-    1.22       7.0 +/-    1.22  0.040 / 0.050
G11     284.2          27.9                5.7 +/-    1.29      10.3 +/-    1.29  0.090 / 0.140
G14     343.8          68.4                3.3 +/-    0.44       3.6 +/-    0.44  0.120 / 0.110
G18     281.2          49.2                7.3 +/-    0.59       9.3 +/-    0.59  0.120 / 0.160
G20     117.6          23.0                7.7 +/-    1.46      15.7 +/-    1.46  0.090 / 0.170
G22     309.4          25.6                3.7 +/-    2.12       7.1 +/-    2.12  0.040 / 0.070
G25     84.2           15.9                4.2 +/-    1.91      10.2 +/-    1.91  0.040 / 0.050
G31     164.0          64.5                5.3 +/-    0.49       5.8 +/-    0.49  0.030 / 0.030
G32     35.9           52.5                4.1 +/-    0.99       5.0 +/-    0.99  0.030 / 0.030