PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/11-04:13:10
G07     337.1          59.6                5.5 +/-    0.84       6.2 +/-    0.84  0.070 / 0.100
G08     92.9           51.2                7.5 +/-    0.55       9.3 +/-    0.55  0.070 / 0.120
G09     180.1          69.2                9.5 +/-    1.01      10.1 +/-    1.01  0.030 / 0.050
G11     143.6          14.6                7.2 +/-    2.50      18.0 +/-    2.50  0.040 / 0.040
G23     156.8          42.7                8.3 +/-    0.79      11.5 +/-    0.79  0.060 / 0.060
G27     55.7           32.6                5.6 +/-    0.61       9.2 +/-    0.61  0.050 / 0.060
G28     237.5          28.8                9.2 +/-    1.57      16.6 +/-    1.57  0.050 / 0.080
G30     301.8          34.4                5.2 +/-    0.78       8.4 +/-    0.78  0.050 / 0.090