PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/12-00:58:00
G01     301.2          36.6                8.8 +/-    1.16      13.6 +/-    1.16  0.070 / 0.090
G10     111.8          36.5                9.4 +/-    0.41      14.4 +/-    0.41  0.060 / 0.080
G11     273.9          28.7                9.5 +/-    2.10      17.2 +/-    2.10  0.080 / 0.140
G14     11.9           63.2                8.1 +/-    1.02       9.0 +/-    1.02  0.070 / 0.110
G22     311.3          29.8                7.5 +/-    2.37      13.2 +/-    2.37  0.060 / 0.170
G25     74.0           17.6                7.3 +/-    1.11      17.1 +/-    1.11  0.060 / 0.170
G31     168.5          68.9               10.3 +/-    0.79      10.9 +/-    0.79  0.030 / 0.040
G32     39.1           50.9                8.2 +/-    0.30      10.2 +/-    0.30  0.030 / 0.040