PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/24-09:58:00
G02     31.7           56.3                4.5 +/-    0.76       5.3 +/-    0.76  0.030 / 0.040
G05     143.9          60.6                7.0 +/-    0.89       7.9 +/-    0.89  0.040 / 0.040
G06     52.3           18.6                2.2 +/-    0.58       4.9 +/-    0.58  0.040 / 0.050
G12     202.9          70.1                3.7 +/-    1.76       3.9 +/-    1.76  0.040 / 0.050
G19     98.2           12.0                6.5 +/-    1.82      17.3 +/-    1.82  0.080 / 0.120
G25     292.3          57.6                3.9 +/-    0.78       4.6 +/-    0.78  0.070 / 0.100
G29     307.2          28.6                1.9 +/-    1.31       3.5 +/-    1.31  0.030 / 0.030