PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/11-13:12:20
G02     38.1           51.0                4.5 +/-    1.25       5.6 +/-    1.25  0.030 / 0.030
G05     132.3          66.8                6.4 +/-    0.63       6.9 +/-    0.63  0.030 / 0.030
G06     57.6           10.9                3.6 +/-    2.18      10.0 +/-    2.18  0.110 / 0.160
G12     191.5          59.6                7.0 +/-    0.60       8.0 +/-    0.60  0.160 / 0.260
G25     277.3          60.1               10.1 +/-    1.51      11.5 +/-    1.51  0.050 / 0.030
G29     312.5          33.7                1.8 +/-    1.31       3.0 +/-    1.31  0.040 / 0.030