PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/24-06:27:50
G07     334.3          58.9                5.7 +/-    1.31       6.5 +/-    1.31  0.100 / 0.140
G08     104.2          51.7                7.3 +/-    0.80       9.0 +/-    0.80  0.090 / 0.110
G09     188.3          73.9                7.6 +/-    1.15       7.8 +/-    1.15  0.040 / 0.080
G11     147.6          13.1                2.5 +/-    2.20       6.4 +/-    2.20  0.060 / 0.070
G23     154.8          41.5                6.9 +/-    1.28       9.8 +/-    1.28  0.040 / 0.070
G27     56.4           32.2                4.0 +/-    1.01       6.7 +/-    1.01  0.040 / 0.080
G28     234.6          21.9                6.4 +/-    2.25      13.5 +/-    2.25  0.040 / 0.050
G30     300.2          33.1                6.1 +/-    0.75      10.0 +/-    0.75  0.030 / 0.030