PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/12/26-00:12:40
G03     196.9          35.3               10.3 +/-    0.75      16.2 +/-    0.75  0.100 / 0.180
G07     276.2          29.0                6.6 +/-    0.80      11.8 +/-    0.80  0.090 / 0.130
G08     151.2          15.9               10.9 +/-    1.89      26.6 +/-    1.89  0.040 / 0.050
G09     319.0          47.3                7.1 +/-    1.40       9.3 +/-    1.40  0.040 / 0.040
G16     53.2           56.1                9.2 +/-    0.62      10.9 +/-    0.62  0.120 / 0.330
G22     181.9          20.0                9.6 +/-    1.74      21.1 +/-    1.74  0.120 / 0.310
G23     7.0            79.4                7.9 +/-    0.74       8.0 +/-    0.74  0.030 / 0.050
G26     43.6           25.8                6.1 +/-    2.26      11.7 +/-    2.26  0.040 / 0.040
G27     114.3          26.0               10.8 +/-    1.89      20.6 +/-    1.89  0.070 / 0.110