PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/08-18:27:40
G02     30.8           56.6               10.0 +/-    1.45      11.7 +/-    1.45  0.050 / 0.060
G05     139.9          62.2               13.7 +/-    0.64      15.2 +/-    0.64  0.050 / 0.050
G06     53.7           14.9                8.6 +/-    2.94      21.4 +/-    2.94  0.030 / 0.060
G12     199.6          68.5               12.8 +/-    0.42      13.7 +/-    0.42  0.030 / 0.030
G25     297.5          52.8               13.0 +/-    3.02      15.9 +/-    3.02  0.050 / 0.050
G29     307.4          28.3               10.8 +/-    1.62      19.5 +/-    1.62  0.050 / 0.050