PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/29-22:42:40
G02     266.1          80.2               10.4 +/-    0.37      10.5 +/-    0.37  0.030 / 0.030
G05     168.7          22.1               15.2 +/-    2.08      31.8 +/-    2.08  0.020 / 0.040
G06     40.1           51.5               11.3 +/-    0.66      14.0 +/-    0.66  0.100 / 0.140
G12     321.1          59.2               10.7 +/-    0.50      12.2 +/-    0.50  0.070 / 0.120
G17     74.7           20.9                9.9 +/-    1.88      21.4 +/-    1.88  0.120 / 0.180
G19     61.7           36.5               11.0 +/-    0.59      17.0 +/-    0.59  0.090 / 0.150
G24     238.8          31.2               13.4 +/-    2.50      22.8 +/-    2.50  0.220 / 0.270
G25     317.5          16.9                9.3 +/-    1.29      22.1 +/-    1.29  0.220 / 0.410