PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/03-19:27:50
G02     46.8           43.4                9.5 +/-    0.66      13.2 +/-    0.66  0.040 / 0.050
G05     91.0           69.5               11.0 +/-    0.43      11.7 +/-    0.43  0.040 / 0.060
G12     188.1          48.9               11.2 +/-    1.90      14.3 +/-    1.90  0.050 / 0.080
G25     264.2          58.0               10.9 +/-    0.65      12.6 +/-    0.65  0.030 / 0.070
G29     319.6          42.3               10.8 +/-    1.32      15.1 +/-    1.32  0.030 / 0.040