PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/15-16:43:10
G10     290.6          50.4                8.3 +/-    2.93      10.4 +/-    2.93  0.060 / 0.100
G15     46.8           30.8                5.7 +/-    1.04       9.8 +/-    1.04  0.080 / 0.120
G20     344.9          65.5                7.6 +/-    0.86       8.3 +/-    0.86  0.100 / 0.160
G21     73.3           76.4                9.6 +/-    0.56       9.9 +/-    0.56  0.090 / 0.140
G24     105.8          24.1                8.4 +/-    1.47      16.7 +/-    1.47  0.210 / 0.290
G27     306.7          31.5                8.1 +/-    1.16      13.8 +/-    1.16  0.100 / 0.210
G29     168.3          14.1                8.2 +/-    1.09      20.9 +/-    1.09  0.040 / 0.040
G32     207.5          27.4                9.1 +/-    1.12      16.9 +/-    1.12  0.040 / 0.040