PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/30-15:58:10
G10     301.7          54.0                7.1 +/-    0.77       8.6 +/-    0.77  0.060 / 0.100
G15     45.5           23.7                5.1 +/-    0.92      10.3 +/-    0.92  0.060 / 0.080
G20     3.8            64.7                7.1 +/-    0.69       7.8 +/-    0.69  0.040 / 0.040
G21     101.2          72.6                8.9 +/-    1.24       9.2 +/-    1.24  0.040 / 0.040
G24     97.9           27.3                9.7 +/-    0.56      18.1 +/-    0.56  0.050 / 0.040
G27     299.2          35.2                8.2 +/-    1.49      12.9 +/-    1.49  0.040 / 0.040
G32     210.2          34.9                9.9 +/-    1.39      15.8 +/-    1.39  0.040 / 0.120