PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/08-05:27:30
G07     339.4          60.0                7.6 +/-    0.40       8.7 +/-    0.40  0.110 / 0.190
G08     92.0           51.9                9.9 +/-    0.73      12.1 +/-    0.73  0.100 / 0.120
G09     186.9          70.3               10.6 +/-    0.47      11.2 +/-    0.47  0.040 / 0.040
G11     143.2          14.6                7.4 +/-    1.67      18.7 +/-    1.67  0.040 / 0.030
G16     47.2           10.3                2.7 +/-    2.73       7.6 +/-    2.73  0.040 / 0.030
G23     156.9          40.1               11.2 +/-    0.94      16.2 +/-    0.94  0.060 / 0.030
G27     51.6           29.2                6.6 +/-    1.18      11.7 +/-    1.18  0.160 / 0.370
G28     240.1          32.5                9.3 +/-    1.73      15.5 +/-    1.73  0.090 / 0.750
G30     304.4          37.2                8.3 +/-    2.66      12.6 +/-    2.66  0.100 / 0.100