PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/08-16:12:50
G02     52.6           39.4               10.3 +/-    0.45      15.1 +/-    0.45  0.050 / 0.060
G05     77.0           69.5               10.1 +/-    0.63      10.7 +/-    0.63  0.040 / 0.060
G12     184.3          38.1               12.7 +/-    1.57      19.1 +/-    1.57  0.140 / 0.300
G13     132.7          10.9                6.3 +/-   29.36      17.3 +/-   29.36  0.110 / 0.230
G21     266.5          13.7               12.3 +/-    2.68      31.5 +/-    2.68  0.180 / 0.540
G25     241.7          55.7               13.6 +/-    1.08      16.1 +/-    1.08  0.210 / 0.410
G29     324.0          48.2                9.9 +/-    1.32      12.8 +/-    1.32  0.060 / 0.080