PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/11-16:27:30
G02     38.7           50.2                9.1 +/-    1.20      11.5 +/-    1.20  0.050 / 0.040
G05     124.3          68.0               11.1 +/-    0.68      11.9 +/-    0.68  0.050 / 0.050
G12     190.0          58.1               12.0 +/-    0.52      13.8 +/-    0.52  0.070 / 0.060
G25     283.1          57.0               11.4 +/-    2.80      13.4 +/-    2.80  0.050 / 0.060
G29     312.9          34.1                8.7 +/-    1.21      14.0 +/-    1.21  0.040 / 0.050