PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/07-13:12:50
G02     357.7          76.3                4.3 +/-    0.61       4.4 +/-    0.61  0.040 / 0.070
G05     164.8          35.3               10.0 +/-    1.68      15.7 +/-    1.68  0.040 / 0.090
G06     41.6           40.7                3.1 +/-    0.56       4.5 +/-    0.56  0.100 / 0.170
G12     306.4          72.7                3.2 +/-    1.10       3.3 +/-    1.10  0.090 / 0.160
G19     79.0           24.1                5.6 +/-    0.56      11.1 +/-    0.56  0.030 / 0.040
G24     227.5          21.0                8.1 +/-    1.73      17.4 +/-    1.73  0.030 / 0.040
G25     316.5          32.9                4.2 +/-    1.13       7.0 +/-    1.13  0.040 / 0.060
G29     290.9          15.5                4.6 +/-    1.58      11.3 +/-    1.58  0.030 / 0.050