PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/05-15:57:40
G10     247.4          26.0               20.0 +/-    1.71      38.1 +/-    1.71  0.040 / 0.040
G13     56.4           30.5                9.0 +/-    0.95      15.5 +/-    0.95  0.040 / 0.050
G15     90.2           57.0               10.5 +/-    1.17      12.3 +/-    1.17  0.090 / 0.130
G20     267.2          50.5                3.4 +/-    2.61       4.3 +/-    2.61  0.130 / 0.130
G21     330.0          57.3                9.8 +/-    0.65      11.4 +/-    0.65  0.240 / 0.170
G26     271.9          16.8                9.0 +/-    2.26      21.3 +/-    2.26  0.070 / 0.120