PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/11-16:27:50
G02     239.8          73.3               10.9 +/-    0.63      11.3 +/-    0.63  0.130 / 0.490
G05     172.3          15.4                9.9 +/-    1.83      24.4 +/-    1.83  0.140 / 0.430
G06     40.5           57.9                9.7 +/-    0.89      11.3 +/-    0.89  0.040 / 0.080
G12     321.1          50.9               10.2 +/-    0.80      12.8 +/-    0.80  0.050 / 0.060
G17     68.1           25.8                9.2 +/-    1.34      17.7 +/-    1.34  0.110 / 0.120
G19     57.6           37.2                8.8 +/-    0.63      13.4 +/-    0.63  0.100 / 0.100
G24     246.4          34.7               12.5 +/-    1.24      19.9 +/-    1.24  0.040 / 0.050
G25     316.1          11.1               -6.1 +/-   39.14     -16.5 +/-   39.14  0.040 / 0.050