PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/26-10:27:50
G02     46.6           43.5                5.3 +/-    0.68       7.4 +/-    0.68  0.150 / 0.430
G05     100.4          70.0                5.9 +/-    0.66       6.2 +/-    0.66  0.110 / 0.450
G12     189.4          51.2                6.9 +/-    1.09       8.6 +/-    1.09  0.050 / 0.050
G21     260.2          10.5               -4.5 +/-   12.65     -12.4 +/-   12.65  0.040 / 0.050
G25     255.5          60.3                5.3 +/-    0.68       6.1 +/-    0.68  0.050 / 0.050
G29     319.2          42.0                5.9 +/-    1.01       8.3 +/-    1.01  0.060 / 0.050