PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/04/29-00:57:40
G02     21.5           64.2                6.0 +/-    0.89       6.5 +/-    0.89  0.080 / 0.070
G05     152.2          51.5               11.5 +/-    0.91      14.2 +/-    0.91  0.060 / 0.060
G06     46.7           27.5                5.6 +/-    1.64      10.3 +/-    1.64  0.310 / 0.540
G12     249.0          78.7                7.3 +/-    0.75       7.4 +/-    0.75  0.190 / 0.440
G19     90.0           16.4                8.3 +/-    2.73      19.9 +/-    2.73  0.030 / 0.020
G24     215.3          10.6                7.9 +/-   26.36      21.6 +/-   26.36  0.020 / 0.020
G25     309.6          44.9                6.6 +/-    0.98       8.9 +/-    0.98  0.030 / 0.040
G29     300.2          22.9                7.3 +/-    1.50      15.1 +/-    1.50  0.030 / 0.040