PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/25-11:28:00
G02     254.4          78.6                4.1 +/-    0.41       4.2 +/-    0.41  0.180 / 0.340
G05     173.5          16.1                4.5 +/-    2.50      11.0 +/-    2.50  0.180 / 0.330
G06     39.9           54.3                4.1 +/-    0.85       4.9 +/-    0.85  0.040 / 0.040
G12     321.9          57.6                2.7 +/-    0.76       3.1 +/-    0.76  0.030 / 0.040
G17     72.5           20.9                3.5 +/-    2.23       7.6 +/-    2.23  0.040 / 0.030
G19     61.0           34.8                5.0 +/-    1.37       8.0 +/-    1.37  0.040 / 0.040
G24     243.8          33.0                6.3 +/-    2.18      10.3 +/-    2.18  0.160 / 0.300
G25     316.6          14.1                2.2 +/-    4.17       5.6 +/-    4.17  0.130 / 0.370