PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/14-07:58:00
G02     249.6          79.1                6.2 +/-    0.46       6.3 +/-    0.46  0.160 / 0.270
G05     172.7          15.4                4.6 +/-    1.50      11.3 +/-    1.50  0.180 / 0.290
G06     40.1           57.6                5.9 +/-    0.64       6.9 +/-    0.64  0.040 / 0.040
G12     321.8          54.4                4.7 +/-    1.32       5.6 +/-    1.32  0.060 / 0.040
G17     71.2           21.0                6.4 +/-    1.09      13.8 +/-    1.09  0.030 / 0.020
G19     58.7           36.2                6.3 +/-    2.73       9.8 +/-    2.73  0.040 / 0.020
G24     246.1          34.3                6.8 +/-    1.82      10.9 +/-    1.82  0.100 / 0.070
G25     316.2          12.9                3.5 +/-   11.60       9.2 +/-   11.60  0.090 / 0.080