PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/04/11-02:43:00
G02     35.6           52.9                6.9 +/-    0.83       8.4 +/-    0.83  0.060 / 0.050
G05     132.6          64.0                9.2 +/-    0.50      10.1 +/-    0.50  0.040 / 0.050
G06     53.5           17.4                4.3 +/-    2.78      10.0 +/-    2.78  0.030 / 0.040
G12     202.1          67.9                8.5 +/-    0.43       9.1 +/-    0.43  0.030 / 0.040
G25     292.6          55.6                5.1 +/-    4.27       6.0 +/-    4.27  0.030 / 0.030
G29     311.1          33.7                6.8 +/-    1.13      11.0 +/-    1.13  0.030 / 0.030