PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/04-08:12:30
G07     354.3          64.4                4.8 +/-    0.81       5.3 +/-    0.81  0.040 / 0.040
G08     87.0           53.8                4.7 +/-    0.52       5.6 +/-    0.52  0.040 / 0.040
G09     181.9          62.8                6.1 +/-    0.35       6.7 +/-    0.35  0.190 / 0.110
G11     140.2          20.2                5.3 +/-    1.73      11.5 +/-    1.73  0.180 / 0.080
G23     157.5          29.7                6.1 +/-    1.18      10.8 +/-    1.18  0.080 / 0.060
G27     47.4           26.2                2.8 +/-    1.95       5.4 +/-    1.95  0.090 / 0.080
G28     242.8          30.5                5.8 +/-    1.43      10.0 +/-    1.43  0.030 / 0.030
G30     309.1          41.1                4.7 +/-    1.02       6.7 +/-    1.02  0.030 / 0.030