PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/15-05:58:10
G07     42.7           69.2                5.3 +/-    0.52       5.6 +/-    0.52  0.110 / 0.090
G08     53.4           41.8                4.1 +/-    1.37       5.8 +/-    1.37  0.090 / 0.110
G09     178.5          40.5                8.0 +/-    0.68      11.5 +/-    0.68  0.030 / 0.030
G11     122.1          32.1                7.5 +/-    0.79      12.5 +/-    0.79  0.030 / 0.020
G17     199.1          12.4                0.4 +/-    8.74       1.0 +/-    8.74  0.100 / 0.310
G23     161.1          12.7                4.2 +/-    1.37      11.1 +/-    1.37  0.100 / 0.260
G27     37.6           9.5                 2.0 +/-    3.00       5.6 +/-    3.00  0.050 / 0.040
G28     271.0          51.2                5.8 +/-    3.17       7.2 +/-    3.17  0.050 / 0.060
G30     329.2          57.4                4.2 +/-    0.40       4.8 +/-    0.40  0.190 / 0.470