PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/11-23:12:40
G02     51.1           39.4                8.0 +/-    0.71      11.7 +/-    0.71  0.110 / 0.550
G05     77.5           67.4                9.8 +/-    0.41      10.5 +/-    0.41  0.110 / 0.500
G12     188.4          45.9               10.0 +/-    1.90      13.3 +/-    1.90  0.040 / 0.060
G21     263.5          10.8                2.2 +/-   25.72       6.1 +/-   25.72  0.040 / 0.050
G25     255.6          57.4                9.4 +/-    0.99      11.0 +/-    0.99  0.050 / 0.070
G29     323.2          46.9                9.3 +/-    0.93      12.2 +/-    0.93  0.070 / 0.090