PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/29-22:42:30
G02     266.1          80.2               10.2 +/-    0.79      10.4 +/-    0.79  0.030 / 0.050
G05     168.7          22.1               16.8 +/-    1.08      35.2 +/-    1.08  0.030 / 0.050
G06     40.1           51.5                9.7 +/-    0.61      12.0 +/-    0.61  0.070 / 0.120
G12     321.1          59.2               11.0 +/-    0.77      12.6 +/-    0.77  0.080 / 0.160
G17     74.7           20.9                9.9 +/-    0.92      21.4 +/-    0.92  0.060 / 0.150
G19     61.7           36.5               11.0 +/-    0.80      17.0 +/-    0.80  0.040 / 0.140
G24     238.8          31.2               16.8 +/-    1.23      28.6 +/-    1.23  0.110 / 0.270
G25     317.5          16.9                9.6 +/-    3.09      22.8 +/-    3.09  0.110 / 0.210