PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/30-18:42:50
G02     26.5           61.0               13.4 +/-    0.41      15.0 +/-    0.41  0.030 / 0.030
G05     155.8          54.9               15.1 +/-    1.28      18.0 +/-    1.28  0.030 / 0.040
G06     51.4           19.9               10.1 +/-    1.10      22.3 +/-    1.10  0.050 / 0.060
G12     207.1          72.5               12.5 +/-    0.65      13.0 +/-    0.65  0.040 / 0.060
G19     97.3           11.0               11.1 +/-    2.01      30.3 +/-    2.01  0.030 / 0.050
G20     197.6          22.4               15.9 +/-    1.00      33.1 +/-    1.00  0.030 / 0.040
G25     299.9          53.8               14.2 +/-    1.50      17.2 +/-    1.50  0.030 / 0.040
G29     305.4          27.1               12.0 +/-    1.65      22.4 +/-    1.65  0.030 / 0.040