PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/28-12:27:50
G02     48.0           42.5                3.7 +/-    0.49       5.2 +/-    0.49  0.050 / 0.060
G05     95.8           70.5                4.3 +/-    0.73       4.5 +/-    0.73  0.050 / 0.060
G12     187.7          47.8                5.9 +/-    1.94       7.7 +/-    1.94  0.050 / 0.040
G21     261.6          10.8               -2.3 +/-   12.29      -6.4 +/-   12.29  0.050 / 0.050
G25     250.8          59.4                5.1 +/-    0.94       5.8 +/-    0.94  0.090 / 0.560
G29     320.2          43.1                4.9 +/-    1.68       6.8 +/-    1.68  0.110 / 0.460