PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/07/24-14:12:40
G01     119.8          17.1                9.3 +/-    1.71      22.0 +/-    1.71  0.120 / 0.300
G07     82.9           64.1                8.4 +/-    0.74       9.3 +/-    0.74  0.090 / 0.230
G08     45.0           30.7                7.2 +/-    0.39      12.5 +/-    0.39  0.030 / 0.050
G09     175.9          26.0               10.0 +/-    1.53      19.1 +/-    1.53  0.030 / 0.040
G11     104.9          37.8               10.0 +/-    0.97      15.0 +/-    0.97  0.100 / 0.200
G13     319.1          16.7                4.9 +/-    1.59      11.6 +/-    1.59  0.120 / 0.240
G17     200.7          25.6                9.6 +/-    1.71      18.6 +/-    1.71  0.030 / 0.040
G28     290.7          56.7                7.4 +/-    0.87       8.7 +/-    0.87  0.030 / 0.040
G30     340.5          65.4                7.7 +/-    1.12       8.4 +/-    1.12  0.050 / 0.080