PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/09-15:58:10
G10     254.3          31.5               11.5 +/-    1.02      19.5 +/-    1.02  0.150 / 0.350
G13     49.5           26.2                7.8 +/-    2.12      14.8 +/-    2.12  0.150 / 0.300
G15     75.0           54.8                9.7 +/-    0.90      11.5 +/-    0.90  0.060 / 0.040
G16     290.9          15.7                8.2 +/-    2.80      20.0 +/-    2.80  0.050 / 0.040
G20     278.6          55.5                0.1 +/-    3.26       0.1 +/-    3.26  0.040 / 0.040
G21     340.0          62.8               -4.3 +/-    0.67      -4.8 +/-    0.67  0.040 / 0.040
G26     264.6          13.8                7.5 +/-    2.84      19.3 +/-    2.84  0.150 / 0.230
G29     165.0          46.7               10.3 +/-    1.24      13.6 +/-    1.24  0.120 / 0.090