PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/23-05:27:50
G01     303.4          35.6                5.6 +/-    2.03       8.8 +/-    2.03  0.080 / 0.130
G10     110.2          36.9                6.6 +/-    0.94      10.1 +/-    0.94  0.090 / 0.090
G11     276.7          28.0                4.7 +/-    1.20       8.5 +/-    1.20  0.070 / 0.070
G14     0.4            65.8                5.8 +/-    0.67       6.3 +/-    0.67  0.060 / 0.080
G18     270.6          49.9                6.2 +/-    7.54       7.8 +/-    7.54  0.040 / 0.050
G20     120.2          27.9               12.3 +/-    2.77      22.5 +/-    2.77  0.040 / 0.050
G22     311.3          29.6                4.7 +/-    0.72       8.2 +/-    0.72  0.070 / 0.160
G25     77.7           17.4                5.9 +/-    1.61      13.8 +/-    1.61  0.120 / 0.150
G31     155.3          70.9                7.2 +/-    0.77       7.6 +/-    0.77  0.090 / 0.110
G32     42.2           48.0                5.0 +/-    0.92       6.5 +/-    0.92  0.090 / 0.120