PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/29-05:13:10
G01     318.9          19.3                4.5 +/-    1.65      10.0 +/-    1.65  0.120 / 0.260
G08     259.3          13.3                7.4 +/-    2.53      19.3 +/-    2.53  0.120 / 0.260
G10     81.2           51.6                4.1 +/-    0.89       5.1 +/-    0.89  0.030 / 0.040
G11     302.8          23.0                3.5 +/-    1.06       7.3 +/-    1.06  0.040 / 0.040
G14     296.7          70.9                4.4 +/-    0.58       4.6 +/-    0.58  0.130 / 0.180
G18     303.9          41.6                4.4 +/-    1.36       6.3 +/-    1.36  0.120 / 0.220
G20     105.8          29.0                5.4 +/-    0.94       9.7 +/-    0.94  0.040 / 0.050
G22     301.4          11.2                0.6 +/-    6.23       1.6 +/-    6.23  0.040 / 0.050
G31     174.7          43.2                6.6 +/-    0.83       9.1 +/-    0.83  0.150 / 0.320
G32     3.2            68.5                4.4 +/-    0.78       4.7 +/-    0.78  0.130 / 0.260