PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/13-12:57:30
G02     8.2            72.7                3.5 +/-    0.49       3.6 +/-    0.49  0.040 / 0.050
G05     162.5          39.8                6.6 +/-    0.76       9.6 +/-    0.76  0.040 / 0.050
G06     42.9           37.1                2.0 +/-    1.36       3.0 +/-    1.36  0.190 / 0.240
G12     294.3          76.2                4.6 +/-    1.42       4.7 +/-    1.42  0.110 / 0.320
G19     82.7           21.6                3.5 +/-    1.70       7.3 +/-    1.70  0.020 / 0.020
G24     224.3          18.1                3.6 +/-    2.43       8.3 +/-    2.43  0.030 / 0.020
G25     315.2          36.7                5.0 +/-    0.76       7.6 +/-    0.76  0.060 / 0.070
G29     294.0          17.9                4.4 +/-    0.96      10.1 +/-    0.96  0.050 / 0.070