PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/27-12:12:30
G02     40.8           48.7                3.9 +/-    0.27       5.0 +/-    0.27  0.040 / 0.050
G05     123.7          68.5                7.2 +/-    0.49       7.7 +/-    0.49  0.080 / 0.050
G12     191.0          57.4                7.4 +/-    1.72       8.6 +/-    1.72  0.050 / 0.050
G25     270.2          60.8                4.5 +/-    0.77       5.1 +/-    0.77  0.040 / 0.040
G29     314.4          36.1                5.1 +/-    1.41       7.9 +/-    1.41  0.030 / 0.030