PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/03-00:12:40
G02     233.7          74.0               10.5 +/-    0.48      10.9 +/-    0.48  0.040 / 0.070
G05     172.1          14.1               16.2 +/-    3.00      41.1 +/-    3.00  0.050 / 0.060
G06     41.9           61.5                9.8 +/-    0.85      11.0 +/-    0.85  0.070 / 0.280
G12     321.4          48.6                8.8 +/-    0.74      11.3 +/-    0.74  0.100 / 0.260
G17     66.2           27.6                8.5 +/-    1.46      15.7 +/-    1.46  0.060 / 0.110
G19     52.7           41.7               10.2 +/-    0.38      14.4 +/-    0.38  0.060 / 0.110
G24     249.0          36.7               12.7 +/-    0.96      19.6 +/-    0.96  0.030 / 0.040