PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/12-00:12:50
G01     253.3          36.3                5.5 +/-    1.27       8.5 +/-    1.27  0.030 / 0.050
G03     316.2          40.6                7.7 +/-    1.09      11.1 +/-    1.09  0.040 / 0.050
G11     238.4          13.9                8.3 +/-    2.29      21.1 +/-    2.29  0.130 / 0.350
G14     59.0           41.3                4.9 +/-    0.98       7.0 +/-    0.98  0.160 / 0.320
G22     307.5          63.2                6.9 +/-    0.76       7.6 +/-    0.76  0.070 / 0.100
G23     284.6          17.0                7.1 +/-    1.75      16.9 +/-    1.75  0.060 / 0.120
G25     40.5           10.6                4.4 +/-    1.59      12.1 +/-    1.59  0.020 / 0.040
G26     142.2          34.9               11.3 +/-    0.93      17.9 +/-    0.93  0.020 / 0.040
G31     40.6           64.6                5.4 +/-    0.48       5.9 +/-    0.48  0.060 / 0.090
G32     74.8           25.8                5.8 +/-    0.80      11.1 +/-    0.80  0.060 / 0.110