PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/11-11:12:30
G02     243.7          75.2                6.1 +/-    0.32       6.3 +/-    0.32  0.110 / 0.120
G05     173.6          15.2                3.5 +/-    1.45       8.6 +/-    1.45  0.080 / 0.100
G06     40.2           57.6                6.1 +/-    0.51       7.1 +/-    0.51  0.040 / 0.030
G12     321.6          53.8                5.1 +/-    1.17       6.2 +/-    1.17  0.040 / 0.030
G17     73.0           19.5                4.2 +/-    2.08       9.3 +/-    2.08  0.030 / 0.040
G19     55.7           40.4                5.6 +/-    1.21       8.1 +/-    1.21  0.030 / 0.020
G24     239.3          33.6                6.6 +/-    1.37      10.8 +/-    1.37  0.060 / 0.060
G25     316.8          17.5                4.3 +/-    2.93      10.1 +/-    2.93  0.060 / 0.060