PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/08-05:58:10
G07     7.4            66.6                8.9 +/-    0.84       9.6 +/-    0.84  0.110 / 0.160
G08     68.4           49.4               10.2 +/-    0.43      12.9 +/-    0.43  0.090 / 0.100
G09     180.3          54.6               12.1 +/-    0.56      14.4 +/-    0.56  0.030 / 0.030
G11     133.2          23.8               10.9 +/-    1.82      21.8 +/-    1.82  0.030 / 0.030
G23     160.0          25.4                7.7 +/-    1.46      14.9 +/-    1.46  0.050 / 0.040
G27     42.2           19.7                4.1 +/-    2.17       9.2 +/-    2.17  0.040 / 0.040
G28     254.2          43.0               11.4 +/-    2.22      15.8 +/-    2.22  0.120 / 0.210
G30     316.4          47.2                9.0 +/-    0.94      11.8 +/-    0.94  0.080 / 0.230