PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/15-04:58:10
G07     338.9          59.9                3.5 +/-    0.50       3.9 +/-    0.50  0.120 / 0.120
G08     92.5           52.0                6.8 +/-    0.50       8.3 +/-    0.50  0.090 / 0.120
G09     187.5          70.7                7.0 +/-    0.72       7.4 +/-    0.72  0.030 / 0.030
G11     143.5          14.5                7.3 +/-    1.97      18.3 +/-    1.97  0.040 / 0.040
G16     47.2           10.2                3.1 +/-    2.02       8.7 +/-    2.02  0.240 / 0.420
G23     156.8          40.2                8.4 +/-    0.96      12.1 +/-    0.96  0.250 / 0.300
G27     51.8           29.3                4.9 +/-    1.22       8.6 +/-    1.22  0.040 / 0.040
G28     240.0          32.4                5.1 +/-    2.21       8.5 +/-    2.21  0.030 / 0.050
G30     304.4          37.2                4.4 +/-    2.12       6.7 +/-    2.12  0.080 / 0.080