PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/01-17:43:10
G10     292.2          51.0               10.9 +/-    0.63      13.6 +/-    0.63  0.050 / 0.090
G15     46.7           30.3                7.7 +/-    0.50      13.3 +/-    0.50  0.060 / 0.100
G20     346.9          65.4                8.2 +/-    0.88       9.0 +/-    0.88  0.070 / 0.160
G21     77.3           76.3               10.8 +/-    1.39      11.1 +/-    1.39  0.070 / 0.160
G24     104.6          24.7                9.5 +/-    0.91      18.7 +/-    0.91  0.100 / 0.270
G27     305.6          32.1               10.0 +/-    1.65      16.8 +/-    1.65  0.080 / 0.280
G29     168.2          12.9                9.1 +/-    4.15      23.7 +/-    4.15  0.040 / 0.050
G32     207.9          28.4               10.2 +/-    0.78      18.6 +/-    0.78  0.040 / 0.060