PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/14-15:13:00
G08     319.5          12.5                2.9 +/-    1.81       7.6 +/-    1.81  0.050 / 0.090
G10     310.1          56.2                4.4 +/-    1.23       5.2 +/-    1.23  0.060 / 0.100
G14     212.2          13.7                7.5 +/-    2.14      19.2 +/-    2.14  0.080 / 0.120
G15     45.3           18.7                4.3 +/-    0.94       9.9 +/-    0.94  0.080 / 0.140
G20     16.2           63.5                5.9 +/-    0.54       6.5 +/-    0.54  0.130 / 0.430
G21     114.2          68.5                6.6 +/-    0.50       7.0 +/-    0.50  0.160 / 0.440
G24     92.1           28.9                7.2 +/-    0.64      12.9 +/-    0.64  0.040 / 0.050
G27     293.1          37.0                5.8 +/-    1.24       8.8 +/-    1.24  0.030 / 0.050
G32     212.6          40.1                7.5 +/-    1.08      10.8 +/-    1.08  0.160 / 0.260