PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/14-15:13:10
G02     15.8           68.5               10.2 +/-    0.80      10.8 +/-    0.80  0.160 / 0.310
G05     160.7          45.0               15.8 +/-    1.22      21.3 +/-    1.22  0.160 / 0.400
G06     45.7           30.5                8.2 +/-    1.14      14.3 +/-    1.14  0.030 / 0.070
G12     262.1          79.2               11.4 +/-    1.04      11.6 +/-    1.04  0.030 / 0.060
G19     88.0           17.9               11.2 +/-    1.25      26.0 +/-    1.25  0.040 / 0.030
G20     197.9          11.0                0.1 +/-   30.37       0.2 +/-   30.37  0.030 / 0.030
G24     220.2          14.0               13.9 +/-    4.02      35.4 +/-    4.02  0.230 / 0.560
G25     311.9          43.0               10.6 +/-    1.92      14.7 +/-    1.92  0.240 / 0.540
G29     298.3          21.3               10.3 +/-    1.75      22.0 +/-    1.75  0.050 / 0.080