PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/09-15:27:50
G02     10.8           71.0                8.7 +/-    0.79       9.2 +/-    0.79  0.030 / 0.030
G05     162.7          41.8               11.7 +/-    0.76      16.5 +/-    0.76  0.030 / 0.030
G06     44.6           32.8                6.6 +/-    1.48      11.0 +/-    1.48  0.040 / 0.040
G12     278.6          78.5                7.8 +/-    0.77       8.0 +/-    0.77  0.040 / 0.040
G19     85.5           19.5                8.4 +/-    1.19      18.6 +/-    1.19  0.050 / 0.090
G24     222.2          16.0                8.4 +/-    1.11      20.3 +/-    1.11  0.060 / 0.080
G25     313.5          40.6                9.5 +/-    2.61      13.7 +/-    2.61  0.050 / 0.060
G29     296.0          19.2                8.3 +/-    1.13      18.6 +/-    1.13  0.040 / 0.060