PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/04/09-00:57:30
G02     240.5          76.0               11.2 +/-    0.35      11.5 +/-    0.35  0.120 / 0.110
G05     171.3          15.8               15.4 +/-    1.11      37.6 +/-    1.11  0.100 / 0.110
G06     40.2           63.3               10.9 +/-    0.91      12.0 +/-    0.91  0.240 / 0.360
G12     320.7          48.0               10.9 +/-    0.62      14.0 +/-    0.62  0.300 / 0.340
G17     70.3           21.9               11.3 +/-    2.22      23.7 +/-    2.22  0.060 / 0.070
G19     55.8           39.1               12.1 +/-    1.61      17.9 +/-    1.61  0.050 / 0.060
G24     244.5          35.1               14.6 +/-    2.62      23.1 +/-    2.62  0.030 / 0.050
G25     316.2          12.4                3.7 +/-   24.67       9.7 +/-   24.67  0.040 / 0.040