PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/10-16:57:50
G02     204.1          31.6               14.8 +/-    1.30      25.1 +/-    1.30  0.080 / 0.100
G03     59.2           9.8                 8.5 +/-    2.02      23.9 +/-    2.02  0.080 / 0.120
G06     159.3          69.2               14.1 +/-    0.60      15.0 +/-    0.60  0.070 / 0.070
G12     308.2          16.1               14.7 +/-    1.92      35.6 +/-    1.92  0.060 / 0.090
G17     38.8           46.9               11.0 +/-    1.36      14.4 +/-    1.36  0.260 / 0.220
G19     6.9            64.1               12.8 +/-    0.33      14.0 +/-    0.33  0.180 / 0.280
G24     299.8          37.0               14.7 +/-    2.81      22.5 +/-    2.81  0.040 / 0.040
G28     103.0          30.9               10.2 +/-    0.79      17.5 +/-    0.79  0.050 / 0.050