PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/09-13:42:40
G02     46.4           44.0                5.7 +/-    1.19       7.8 +/-    1.19  0.040 / 0.040
G05     102.9          70.9                7.0 +/-    0.58       7.3 +/-    0.58  0.030 / 0.040
G12     187.4          48.6                8.2 +/-    0.54      10.6 +/-    0.54  0.050 / 0.040
G25     255.5          59.6                7.1 +/-    1.38       8.1 +/-    1.38  0.050 / 0.040
G29     319.0          41.5                5.3 +/-    1.00       7.6 +/-    1.00  0.030 / 0.020