PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/27-01:58:00
G01     301.8          36.3                8.3 +/-    1.00      12.9 +/-    1.00  0.080 / 0.130
G10     111.2          37.0                8.0 +/-    0.63      12.3 +/-    0.63  0.080 / 0.120
G11     274.2          28.9                9.6 +/-    1.89      17.2 +/-    1.89  0.090 / 0.110
G14     11.1           63.4                6.8 +/-    0.65       7.5 +/-    0.65  0.080 / 0.090
G18     120.5          10.5                6.7 +/-    2.02      18.5 +/-    2.02  0.040 / 0.050
G22     311.2          29.5                7.5 +/-    2.19      13.3 +/-    2.19  0.030 / 0.040
G25     74.1           17.3                6.4 +/-    0.70      15.1 +/-    0.70  0.040 / 0.040
G31     167.2          68.9                8.8 +/-    0.53       9.3 +/-    0.53  0.040 / 0.050
G32     38.4           51.3                6.4 +/-    0.40       7.9 +/-    0.40  0.030 / 0.040