PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/27-03:42:30
G02     35.2           53.3                4.8 +/-    1.04       5.8 +/-    1.04  0.020 / 0.030
G05     134.2          63.5                7.5 +/-    0.43       8.2 +/-    0.43  0.030 / 0.040
G06     52.9           18.5                2.6 +/-    2.47       6.0 +/-    2.47  0.040 / 0.040
G12     203.0          68.5                6.7 +/-    0.37       7.2 +/-    0.37  0.040 / 0.050
G25     293.1          55.6                3.4 +/-    5.43       4.1 +/-    5.43  0.030 / 0.030
G29     311.4          34.4                4.0 +/-    1.19       6.4 +/-    1.19  0.030 / 0.030