PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/17-15:43:10
G10     262.1          36.8               22.8 +/-    1.13      34.9 +/-    1.13  0.090 / 0.220
G13     44.1           20.8                5.1 +/-    2.37      11.0 +/-    2.37  0.140 / 0.290
G15     62.7           50.0                7.6 +/-    0.65       9.6 +/-    0.65  0.150 / 0.350
G16     283.1          14.2                7.9 +/-    1.60      20.1 +/-    1.60  0.150 / 0.340
G20     292.6          59.8                8.7 +/-    0.78       9.9 +/-    0.78  0.080 / 0.080
G21     353.3          68.4                6.9 +/-    1.20       7.4 +/-    1.20  0.070 / 0.080
G24     126.4          11.0               -2.2 +/-   39.91      -6.0 +/-   39.91  0.050 / 0.050
G26     257.7          10.2                7.8 +/-    1.67      21.6 +/-    1.67  0.050 / 0.070
G27     320.7          14.7                5.0 +/-    3.08      12.5 +/-    3.08  0.060 / 0.080
G29     166.7          37.9               10.2 +/-    1.03      15.4 +/-    1.03  0.050 / 0.070