PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/15-23:58:00
G01     252.6          36.0               10.7 +/-    2.18      16.7 +/-    2.18  0.040 / 0.030
G03     316.1          41.3                8.5 +/-    0.84      12.1 +/-    0.84  0.030 / 0.040
G11     238.0          13.6                8.3 +/-    1.63      21.4 +/-    1.63  0.060 / 0.070
G14     59.5           41.0                6.8 +/-    0.82       9.8 +/-    0.82  0.090 / 0.100
G22     306.9          63.8                7.8 +/-    0.73       8.6 +/-    0.73  0.030 / 0.030
G23     285.1          17.4               10.3 +/-    1.32      24.1 +/-    1.32  0.030 / 0.030
G25     40.1           10.3                5.1 +/-    2.97      14.2 +/-    2.97  0.100 / 0.250
G26     141.4          35.5               12.1 +/-    0.95      19.1 +/-    0.95  0.070 / 0.300
G31     40.4           63.7                8.0 +/-    0.75       8.8 +/-    0.75  0.070 / 0.100
G32     75.3           25.3                8.1 +/-    1.98      15.6 +/-    1.98  0.060 / 0.110