PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/02-01:42:50
G02     45.2           44.4               10.4 +/-    0.67      14.2 +/-    0.67  0.040 / 0.060
G05     100.7          68.9               10.6 +/-    0.50      11.3 +/-    0.50  0.040 / 0.050
G12     192.1          55.1               13.1 +/-    1.34      15.6 +/-    1.34  0.040 / 0.050
G25     270.8          58.8               12.7 +/-    1.15      14.5 +/-    1.15  0.040 / 0.070
G29     318.8          41.8               12.8 +/-    1.17      18.1 +/-    1.17  0.030 / 0.040