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               11.0 +/-    3.32      25.9 +/-    3.32  0.120 / 0.130
G07     82.9           64.1                7.4 +/-    0.52       8.2 +/-    0.52  0.120 / 0.150
G08     45.0           30.7                6.2 +/-    1.09      10.8 +/-    1.09  0.040 / 0.030
G09     175.9          26.0                8.5 +/-    1.51      16.2 +/-    1.51  0.040 / 0.030
G11     104.9          37.8               10.7 +/-    0.88      16.2 +/-    0.88  0.030 / 0.030
G13     319.1          16.7                6.6 +/-    2.22      15.7 +/-    2.22  0.040 / 0.030
G17     200.7          25.6                8.5 +/-    2.16      16.3 +/-    2.16  0.140 / 0.320
G28     290.7          56.7                7.0 +/-    1.39       8.3 +/-    1.39  0.180 / 0.310
G30     340.5          65.4                8.3 +/-    1.17       9.1 +/-    1.17  0.170 / 0.210