PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/09-15:27:40
G02     36.7           52.3                8.7 +/-    0.83      10.6 +/-    0.83  0.040 / 0.040
G05     135.1          66.6               10.3 +/-    0.66      11.2 +/-    0.66  0.040 / 0.040
G06     57.9           10.1                7.1 +/-    1.87      19.6 +/-    1.87  0.030 / 0.030
G12     189.5          58.5                9.9 +/-    0.41      11.4 +/-    0.41  0.030 / 0.030
G25     280.1          59.1                6.8 +/-    1.11       7.8 +/-    1.11  0.150 / 0.270
G29     312.0          32.9                6.1 +/-    1.39      10.1 +/-    1.39  0.200 / 0.350