PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/15-05:28:00
G02     35.5           53.6                5.3 +/-    1.02       6.4 +/-    1.02  0.020 / 0.020
G05     135.3          62.8                7.8 +/-    0.31       8.6 +/-    0.31  0.030 / 0.030
G06     53.6           16.8                2.3 +/-    1.81       5.5 +/-    1.81  0.210 / 0.350
G12     201.8          68.4                7.0 +/-    0.53       7.4 +/-    0.53  0.130 / 0.400
G19     100.3          9.8                 6.9 +/-    1.95      19.2 +/-    1.95  0.020 / 0.040
G20     202.4          17.9                7.1 +/-    1.95      16.4 +/-    1.95  0.030 / 0.030
G25     297.7          52.8                6.8 +/-    3.17       8.3 +/-    3.17  0.330 / 0.270
G29     307.8          28.6                3.1 +/-    1.46       5.7 +/-    1.46  0.150 / 0.250