PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/12/05-06:12:40
G01     88.7           32.1                5.8 +/-    1.17       9.7 +/-    1.17  0.050 / 0.050
G07     126.7          43.7                8.1 +/-    0.74      11.2 +/-    0.74  0.060 / 0.050
G11     67.8           39.0                5.0 +/-    1.15       7.4 +/-    1.15  0.160 / 0.220
G13     294.6          35.4                7.0 +/-    3.20      10.9 +/-    3.20  0.140 / 0.190
G15     314.3          10.9               -4.4 +/-   15.25     -12.1 +/-   15.25  0.040 / 0.040
G17     215.5          56.1                7.7 +/-    0.90       9.0 +/-    0.90  0.050 / 0.030
G19     215.1          29.5                8.1 +/-    2.90      14.3 +/-    2.90  0.100 / 0.080
G28     353.1          61.5                3.9 +/-    0.66       4.4 +/-    0.66  0.090 / 0.090
G30     109.0          73.9                6.5 +/-    1.05       6.7 +/-    1.05  0.040 / 0.040