PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/05-01:58:10
G02     34.4           54.5                8.3 +/-    0.51      10.0 +/-    0.51  0.040 / 0.040
G05     135.5          62.7               10.1 +/-    0.73      11.3 +/-    0.73  0.030 / 0.040
G06     54.0           15.4                6.0 +/-    1.16      14.9 +/-    1.16  0.040 / 0.040
G12     198.8          67.7                7.7 +/-    0.90       8.3 +/-    0.90  0.030 / 0.040
G19     99.8           10.7                8.8 +/-    1.74      24.1 +/-    1.74  0.060 / 0.060
G25     297.7          52.8                8.1 +/-    1.07       9.9 +/-    1.07  0.040 / 0.060
G29     307.1          27.4                6.4 +/-    1.67      11.8 +/-    1.67  0.040 / 0.050