PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/11-04:57:50
G01     51.8           26.0                4.4 +/-    2.16       8.4 +/-    2.16  0.040 / 0.050
G06     177.8          20.7                6.6 +/-    2.72      14.4 +/-    2.72  0.040 / 0.050
G07     144.4          16.8                7.2 +/-    1.02      17.0 +/-    1.02  0.100 / 0.210
G11     46.8           22.8                3.8 +/-    2.77       7.8 +/-    2.77  0.110 / 0.230
G13     253.3          33.6                7.6 +/-    1.98      12.5 +/-    1.98  0.050 / 0.050
G15     284.6          17.0                3.4 +/-    2.14       8.1 +/-    2.14  0.050 / 0.060
G17     293.3          79.8                7.3 +/-    0.69       7.4 +/-    0.69  0.040 / 0.060
G19     239.9          58.9                7.6 +/-    2.31       8.7 +/-    2.31  0.040 / 0.060
G28     31.3           59.2                3.9 +/-    1.14       4.5 +/-    1.14  0.080 / 0.300
G30     149.0          50.1                9.1 +/-    0.54      11.5 +/-    0.54  0.100 / 0.280