PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/11-16:13:10
G02     32.9           54.9                9.8 +/-    0.90      11.7 +/-    0.90  0.090 / 0.210
G05     138.7          63.7               11.7 +/-    0.53      12.9 +/-    0.53  0.100 / 0.150
G06     55.0           12.9                6.2 +/-    3.38      16.1 +/-    3.38  0.040 / 0.060
G12     194.2          65.2               10.7 +/-    0.56      11.6 +/-    0.56  0.070 / 0.050
G25     294.1          54.1               11.1 +/-    2.78      13.4 +/-    2.78  0.040 / 0.040
G29     308.6          29.4                9.6 +/-    1.18      17.1 +/-    1.18  0.050 / 0.050