PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/12-22:57:50
G01     295.8          38.7                7.8 +/-    1.25      11.6 +/-    1.25  0.070 / 0.100
G03     310.2          12.8                5.7 +/-    2.11      14.9 +/-    2.11  0.060 / 0.120
G10     116.3          32.6               10.0 +/-    0.81      16.6 +/-    0.81  0.030 / 0.030
G11     269.3          27.5                6.8 +/-    1.47      12.6 +/-    1.47  0.030 / 0.030
G14     19.3           60.6                6.8 +/-    0.58       7.6 +/-    0.58  0.070 / 0.130
G22     312.7          33.9                5.8 +/-    2.40       9.5 +/-    2.40  0.060 / 0.130
G25     69.9           18.4                6.8 +/-    0.60      15.5 +/-    0.60  0.060 / 0.100
G31     160.8          74.3                9.5 +/-    0.98       9.9 +/-    0.98  0.060 / 0.070
G32     45.4           46.5                5.8 +/-    0.61       7.7 +/-    0.61  0.030 / 0.080