PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/15-20:27:50
G01     320.4          14.0                2.9 +/-   22.02       7.4 +/-   22.02  0.140 / 0.410
G08     259.6          15.6                7.7 +/-    2.46      18.9 +/-    2.46  0.150 / 0.510
G10     72.5           55.2                8.0 +/-    0.47       9.5 +/-    0.47  0.110 / 0.300
G11     306.2          21.6                6.6 +/-    1.38      14.0 +/-    1.38  0.170 / 0.290
G14     282.9          69.5                9.5 +/-    0.48      10.1 +/-    0.48  0.040 / 0.060
G18     307.4          38.9                8.0 +/-    0.96      11.9 +/-    0.96  0.040 / 0.050
G20     101.2          32.4                9.5 +/-    0.57      15.9 +/-    0.57  0.080 / 0.320
G27     229.1          12.4                9.6 +/-    3.73      25.5 +/-    3.73  0.070 / 0.220
G31     178.6          35.1               11.8 +/-    1.35      18.7 +/-    1.35  0.140 / 0.370
G32     356.7          70.8                9.2 +/-    0.75       9.6 +/-    0.75  0.120 / 0.330