PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/19-04:43:10
G07     339.7          60.1                3.1 +/-    0.89       3.5 +/-    0.89  0.120 / 0.150
G08     91.6           52.1                5.4 +/-    0.79       6.6 +/-    0.79  0.120 / 0.120
G09     187.2          70.1                5.7 +/-    0.74       6.1 +/-    0.74  0.030 / 0.050
G11     143.2          14.9                5.6 +/-    4.53      14.1 +/-    4.53  0.040 / 0.040
G23     157.0          39.5                6.6 +/-    0.83       9.7 +/-    0.83  0.040 / 0.040
G27     51.3           29.0                2.5 +/-    1.11       4.6 +/-    1.11  0.040 / 0.050
G28     240.5          32.9                4.4 +/-    1.81       7.2 +/-    1.81  0.030 / 0.030
G30     305.0          37.8                2.3 +/-    0.83       3.4 +/-    0.83  0.040 / 0.040