Real Propagation Visualized with FT8 Data

VOACAP Quick Guide: Home

Explore the 50,000+ real-life propagation charts from one ITU zone to another ITU zone over the months of 2017-2019! The raw data comes from the nice people at HamSci, courtesy of Bill Engelke, AB4EJ, and Philip Gladstone, N1DQ. The heavy-lifting, i.e. data processing (incl. pre-processing) and data visualization, has been done by Alex Shovkoplyas, VE3NEA.

Select propagation chart to display:

Show ITU Zone Map

1st Zone:
2nd Zone:

Yellow line: Zone 8. Red line: Zone 18.


There are a number of features in the charts:

The sunrise and sunset times have been calculated for "the center of mass of the callsigns" in each ITU zone, shown as a red circle on the ITU Zone Map above.

© 2003-2020 Jari Perkiömäki OH6BG/OG6G.