PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/09-22:12:30
G02     23.9           62.3                9.0 +/-    1.11      10.0 +/-    1.11  0.060 / 0.060
G05     149.6          54.4               11.3 +/-    0.50      13.5 +/-    0.50  0.070 / 0.070
G06     48.6           23.4                7.5 +/-    1.97      15.1 +/-    1.97  0.040 / 0.050
G12     230.0          77.5                9.2 +/-    0.47       9.4 +/-    0.47  0.040 / 0.050
G19     92.8           14.0                9.8 +/-    3.74      24.9 +/-    3.74  0.030 / 0.030
G25     307.5          46.6               10.0 +/-    1.15      13.2 +/-    1.15  0.030 / 0.030
G29     301.7          23.4               10.5 +/-    1.57      21.2 +/-    1.57  0.260 / 0.320