PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/11-15:12:50
G02     5.2            73.5                9.0 +/-    0.80       9.3 +/-    0.80  0.040 / 0.030
G05     164.1          38.8               10.9 +/-    0.94      16.1 +/-    0.94  0.030 / 0.030
G06     43.5           35.5                7.0 +/-    1.25      11.0 +/-    1.25  0.150 / 0.290
G12     293.0          76.7                7.8 +/-    1.19       7.9 +/-    1.19  0.110 / 0.350
G19     82.9           21.4                8.5 +/-    2.16      18.1 +/-    2.16  0.040 / 0.080
G24     224.4          18.1               10.2 +/-    1.72      23.4 +/-    1.72  0.060 / 0.060
G25     315.0          37.8                9.3 +/-    0.83      14.0 +/-    0.83  0.050 / 0.090
G29     293.7          17.3                6.3 +/-    2.60      14.8 +/-    2.60  0.050 / 0.100