PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/08-03:43:00
G01     225.9          16.7                5.6 +/-    2.02      13.3 +/-    2.02  0.040 / 0.030
G03     289.4          66.1                4.5 +/-    1.05       4.9 +/-    1.05  0.040 / 0.040
G14     87.7           22.7                2.2 +/-    0.67       4.5 +/-    0.67  0.100 / 0.250
G16     151.7          43.5                8.9 +/-    1.51      12.3 +/-    1.51  0.110 / 0.210
G22     218.1          70.9                6.0 +/-    1.11       6.3 +/-    1.11  0.100 / 0.280
G23     306.6          36.1                4.7 +/-    0.80       7.2 +/-    0.80  0.110 / 0.280
G26     104.7          55.4                6.7 +/-    0.44       7.9 +/-    0.44  0.040 / 0.080
G31     44.1           35.3                2.5 +/-    0.65       3.9 +/-    0.65  0.040 / 0.070