PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/24-20:27:20
G10     297.7          52.7               11.8 +/-    1.22      14.4 +/-    1.22  0.060 / 0.110
G15     46.2           28.8                8.2 +/-    1.19      14.7 +/-    1.19  0.070 / 0.090
G20     353.5          65.2               10.3 +/-    1.40      11.2 +/-    1.40  0.040 / 0.040
G21     90.7           75.2               13.6 +/-    0.81      14.1 +/-    0.81  0.040 / 0.040
G24     100.4          26.3               13.7 +/-    0.52      25.9 +/-    0.52  0.070 / 0.160
G27     302.0          33.9               13.8 +/-    1.73      22.3 +/-    1.73  0.070 / 0.130
G32     209.5          31.5               12.8 +/-    2.69      21.8 +/-    2.69  0.050 / 0.090