PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/30-03:57:40
G07     338.6          59.8                4.3 +/-    0.55       4.9 +/-    0.55  0.100 / 0.160
G08     92.8           52.1                7.2 +/-    0.50       8.8 +/-    0.50  0.090 / 0.150
G09     188.3          70.8                7.0 +/-    0.82       7.3 +/-    0.82  0.030 / 0.040
G11     143.8          14.5                6.8 +/-    1.79      17.1 +/-    1.79  0.030 / 0.030
G23     156.8          39.8                7.6 +/-    0.72      11.2 +/-    0.72  0.040 / 0.040
G27     51.7           29.2                5.5 +/-    1.15       9.8 +/-    1.15  0.060 / 0.040
G28     240.1          32.6                5.2 +/-    1.15       8.6 +/-    1.15  0.030 / 0.030
G30     304.9          37.8                4.2 +/-    1.76       6.3 +/-    1.76  0.030 / 0.020