PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/04-03:12:40
G01     309.6          31.1                5.8 +/-    2.35       9.9 +/-    2.35  0.060 / 0.120
G10     102.1          43.4                8.5 +/-    0.55      11.7 +/-    0.55  0.080 / 0.110
G11     283.6          29.4                8.1 +/-    2.06      14.5 +/-    2.06  0.070 / 0.130
G14     353.6          67.8                6.3 +/-    1.05       6.7 +/-    1.05  0.090 / 0.160
G18     114.8          17.5                8.2 +/-    1.10      19.2 +/-    1.10  0.020 / 0.040
G22     308.2          23.0                5.5 +/-    1.27      11.3 +/-    1.27  0.030 / 0.040
G25     81.8           15.1                7.4 +/-    1.28      18.3 +/-    1.28  0.080 / 0.160
G31     171.8          60.1                8.1 +/-    0.68       9.1 +/-    0.68  0.070 / 0.190
G32     29.5           56.6                4.3 +/-    0.45       5.0 +/-    0.45  0.030 / 0.050