PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/02-16:27:40
G10     254.4          31.5                8.6 +/-    1.93      14.5 +/-    1.93  0.040 / 0.050
G13     49.4           26.1                7.2 +/-    0.89      13.8 +/-    0.89  0.050 / 0.060
G15     75.1           55.0                8.5 +/-    1.28      10.1 +/-    1.28  0.050 / 0.040
G20     278.6          55.4                9.8 +/-    0.84      11.6 +/-    0.84  0.040 / 0.050
G21     339.9          62.8                6.9 +/-    0.50       7.6 +/-    0.50  0.080 / 0.250
G26     264.4          13.8                7.4 +/-    1.49      18.8 +/-    1.49  0.080 / 0.220
G29     165.0          46.5                9.3 +/-    0.79      12.3 +/-    0.79  0.110 / 0.110