PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/02-23:27:00
G02     42.9           46.5                9.0 +/-    0.51      11.9 +/-    0.51  0.040 / 0.050
G05     108.4          68.7                9.4 +/-    0.39      10.1 +/-    0.39  0.040 / 0.060
G12     192.8          57.4               11.5 +/-    1.84      13.4 +/-    1.84  0.060 / 0.070
G25     276.8          58.1               10.7 +/-    1.10      12.3 +/-    1.10  0.060 / 0.070
G29     316.3          38.7               10.1 +/-    0.96      15.0 +/-    0.96  0.040 / 0.050