PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/08-19:12:30
G02     24.3           62.0                8.9 +/-    0.76      10.0 +/-    0.76  0.030 / 0.030
G05     148.4          56.7               11.7 +/-    0.41      13.7 +/-    0.41  0.030 / 0.040
G06     51.3           18.4                8.0 +/-    1.99      18.3 +/-    1.99  0.020 / 0.030
G12     196.4          71.5               10.3 +/-    0.59      10.8 +/-    0.59  0.020 / 0.030
G19     94.0           16.1                8.6 +/-    2.16      20.9 +/-    2.16  0.090 / 0.110
G25     304.0          50.0                8.5 +/-    2.65      10.8 +/-    2.65  0.050 / 0.100
G29     302.5          22.5                9.6 +/-    1.75      19.8 +/-    1.75  0.140 / 0.240