PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/31-17:12:40
G02     5.2            71.8                9.8 +/-    0.76      10.3 +/-    0.76  0.040 / 0.060
G05     159.1          44.8               12.5 +/-    0.76      16.9 +/-    0.76  0.040 / 0.050
G06     46.1           27.5                8.0 +/-    1.75      14.7 +/-    1.75  0.130 / 0.250
G12     232.5          81.6                9.9 +/-    0.96      10.0 +/-    0.96  0.120 / 0.360
G19     83.7           23.5               10.9 +/-    1.25      22.0 +/-    1.25  0.060 / 0.100
G24     218.1          14.0                8.6 +/-   19.04      21.9 +/-   19.04  0.050 / 0.080
G25     313.1          40.7                9.7 +/-    0.78      14.0 +/-    0.78  0.020 / 0.020
G29     294.1          14.7               10.0 +/-    1.39      25.0 +/-    1.39  0.030 / 0.020