PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/19-16:27:50
G10     290.8          50.5                8.8 +/-    2.91      11.1 +/-    2.91  0.070 / 0.090
G15     46.8           30.5                7.3 +/-    1.22      12.6 +/-    1.22  0.050 / 0.100
G20     345.6          65.5                8.6 +/-    0.49       9.3 +/-    0.49  0.110 / 0.160
G21     74.4           76.3               10.1 +/-    0.82      10.4 +/-    0.82  0.110 / 0.220
G24     105.6          24.2               11.2 +/-    1.66      22.2 +/-    1.66  0.040 / 0.040
G27     306.5          31.6                8.0 +/-    1.30      13.6 +/-    1.30  0.040 / 0.040
G29     168.3          13.9                9.6 +/-    1.66      24.6 +/-    1.66  0.120 / 0.090
G32     207.5          27.6               10.1 +/-    1.63      18.7 +/-    1.63  0.090 / 0.080