PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/27-16:13:00
G02     344.1          76.9                9.0 +/-    0.70       9.3 +/-    0.70  0.130 / 0.190
G05     163.7          36.5               14.3 +/-    1.46      22.1 +/-    1.46  0.110 / 0.250
G06     42.5           35.7                8.0 +/-    0.94      12.6 +/-    0.94  0.040 / 0.040
G12     304.3          74.8                9.2 +/-    0.63       9.5 +/-    0.63  0.040 / 0.040
G17     87.5           11.5                9.6 +/-    2.55      26.0 +/-    2.55  0.080 / 0.120
G19     79.0           23.1                8.4 +/-    0.78      17.2 +/-    0.78  0.070 / 0.140
G24     226.4          20.1               13.6 +/-    1.79      29.8 +/-    1.79  0.050 / 0.090
G25     316.3          31.3                8.9 +/-    2.03      15.2 +/-    2.03  0.040 / 0.070
G29     288.4          10.9                2.2 +/-   27.03       6.0 +/-   27.03  0.040 / 0.090