PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/11-15:12:30
G02     33.9           54.5                5.6 +/-    1.07       6.7 +/-    1.07  0.040 / 0.050
G05     141.6          64.1                7.8 +/-    0.41       8.6 +/-    0.41  0.050 / 0.040
G06     56.1           12.3                5.1 +/-    1.70      13.6 +/-    1.70  0.030 / 0.040
G12     191.3          62.1                7.9 +/-    1.02       8.8 +/-    1.02  0.040 / 0.030
G19     101.9          10.4                8.5 +/-    2.02      23.4 +/-    2.02  0.090 / 0.150
G25     286.1          58.1                4.9 +/-    0.48       5.6 +/-    0.48  0.130 / 0.130
G29     309.9          30.6                6.5 +/-    1.49      11.2 +/-    1.49  0.190 / 0.240