PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/09-00:12:40
G01     128.3          10.7                2.8 +/-   34.27       7.6 +/-   34.27  0.110 / 0.090
G07     47.0           69.7                8.8 +/-    0.56       9.3 +/-    0.56  0.140 / 0.130
G08     52.8           42.5                7.2 +/-    0.99      10.1 +/-    0.99  0.100 / 0.370
G09     179.3          38.8               10.0 +/-    1.12      14.8 +/-    1.12  0.180 / 0.250
G11     122.8          33.6               11.1 +/-    1.37      18.0 +/-    1.37  0.200 / 0.320
G17     200.2          12.4                5.7 +/-    7.79      15.0 +/-    7.79  0.200 / 0.320
G28     274.7          52.6                7.0 +/-    3.54       8.6 +/-    3.54  0.040 / 0.050
G30     337.6          62.6                6.5 +/-    0.60       7.3 +/-    0.60  0.040 / 0.040