PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/26-15:57:50
G02     300.9          80.0                5.7 +/-    0.64       5.7 +/-    0.64  0.090 / 0.170
G05     167.3          28.0                9.7 +/-    1.29      17.7 +/-    1.29  0.080 / 0.180
G06     40.4           43.7                5.1 +/-    0.66       7.0 +/-    0.66  0.030 / 0.040
G12     317.2          66.2                4.3 +/-    0.85       4.7 +/-    0.85  0.030 / 0.040
G17     80.5           16.6                7.4 +/-    0.68      17.8 +/-    0.68  0.090 / 0.240
G19     71.2           28.3                5.7 +/-    0.70      10.4 +/-    0.70  0.100 / 0.210
G24     233.1          26.0                8.9 +/-    2.00      16.9 +/-    2.00  0.060 / 0.110
G25     317.4          23.5                3.9 +/-    3.31       7.9 +/-    3.31  0.050 / 0.110