PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/19-20:42:40
G01     315.1          25.6                8.4 +/-    0.79      16.1 +/-    0.79  0.180 / 0.320
G10     93.3           47.0               10.1 +/-    0.32      13.2 +/-    0.32  0.120 / 0.210
G11     292.6          27.1                8.4 +/-    1.06      15.7 +/-    1.06  0.100 / 0.320
G14     328.2          70.9               10.4 +/-    0.66      10.9 +/-    0.66  0.100 / 0.280
G20     112.9          22.2               10.7 +/-    1.17      22.3 +/-    1.17  0.050 / 0.050
G22     305.2          16.5                6.5 +/-    2.54      15.5 +/-    2.54  0.050 / 0.050
G25     88.2           12.1               11.3 +/-    2.30      30.1 +/-    2.30  0.080 / 0.170
G31     175.7          50.6               11.6 +/-    1.35      14.5 +/-    1.35  0.060 / 0.140
G32     22.5           60.8                9.3 +/-    0.56      10.4 +/-    0.56  0.030 / 0.060