PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/26-19:43:00
G10     275.2          43.9               10.7 +/-    1.11      14.6 +/-    1.11  0.050 / 0.030
G13     38.9           12.0                7.3 +/-    9.30      19.6 +/-    9.30  0.040 / 0.040
G15     53.0           43.3                8.6 +/-    1.21      11.9 +/-    1.21  0.150 / 0.320
G20     314.1          63.4                9.6 +/-    0.92      10.5 +/-    0.92  0.600 / 0.510
G21     20.2           75.0               10.6 +/-    0.66      10.9 +/-    0.66  0.040 / 0.060
G24     116.6          17.9               10.6 +/-    1.02      24.6 +/-    1.02  0.040 / 0.050
G27     315.5          23.7                9.1 +/-    1.77      18.3 +/-    1.77  0.140 / 0.130
G29     168.0          25.1               11.3 +/-    4.58      22.0 +/-    4.58  0.080 / 0.170
G32     204.8          15.6               14.2 +/-    1.86      34.9 +/-    1.86  0.190 / 0.290