PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/23-02:28:00
G07     335.7          59.4                4.7 +/-    0.85       5.3 +/-    0.85  0.070 / 0.110
G08     95.1           51.7                6.4 +/-    1.38       7.9 +/-    1.38  0.080 / 0.110
G09     179.1          68.6                6.9 +/-    0.76       7.3 +/-    0.76  0.050 / 0.050
G11     147.5          14.3                6.7 +/-    2.15      17.0 +/-    2.15  0.040 / 0.050
G23     156.3          40.5                8.4 +/-    0.79      12.1 +/-    0.79  0.250 / 0.240
G27     53.7           30.7                3.7 +/-    1.64       6.5 +/-    1.64  0.140 / 0.220
G28     236.1          22.8                5.0 +/-    1.35      10.2 +/-    1.35  0.150 / 0.390
G30     301.2          33.3                2.8 +/-    1.46       4.7 +/-    1.46  0.210 / 0.660