PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/06-21:43:00
G10     298.5          52.9               10.0 +/-    0.69      12.1 +/-    0.69  0.040 / 0.050
G15     46.3           29.3                5.0 +/-    0.96       8.9 +/-    0.96  0.040 / 0.040
G20     353.6          65.2                9.2 +/-    1.70      10.1 +/-    1.70  0.080 / 0.100
G21     92.6           75.0               10.3 +/-    0.50      10.6 +/-    0.50  0.050 / 0.090
G24     99.6           26.5               11.1 +/-    0.62      21.0 +/-    0.62  0.050 / 0.090
G27     301.4          34.1                9.8 +/-    0.69      15.9 +/-    0.69  0.040 / 0.100
G32     209.9          31.7               11.6 +/-    1.10      19.7 +/-    1.10  0.040 / 0.040