PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/23-02:28:10
G07     336.5          59.6                5.2 +/-    0.78       5.9 +/-    0.78  0.090 / 0.120
G08     94.3           51.8                7.0 +/-    0.49       8.7 +/-    0.49  0.080 / 0.100
G09     178.9          68.1                6.1 +/-    1.32       6.6 +/-    1.32  0.040 / 0.050
G11     147.2          14.6                5.2 +/-    2.79      13.2 +/-    2.79  0.030 / 0.040
G23     156.4          40.0                8.1 +/-    0.82      11.8 +/-    0.82  0.140 / 0.500
G27     53.3           30.4                4.4 +/-    0.64       7.6 +/-    0.64  0.160 / 0.470
G28     236.4          23.1                6.2 +/-    1.38      12.7 +/-    1.38  0.130 / 0.290
G30     301.5          33.6                3.8 +/-    2.20       6.2 +/-    2.20  0.130 / 0.310