HF Propagation

The links below provide information about High Frequency propagation

Please note the RSGB is not responsible for the content of external websites.

• For interesting plots of amateur propagation analysis see pages from G3CWI, including Scattergrams, Chirp soundings, Pedersen Ray Doppler Plots
• UK monthly short path propagation forecast maps from G0KYA
• 160m propagation
• Top Band Propagation
• Understanding LF and HF Propagation (16-page/724KB PDF) by G3NYK and G0KYA
• Propagation of Radio Waves over northerly paths (Uppsala-Leicester) (17-page/2.8MB PDF) by E.M. Warrington and others
• D-Region Absorption

• AA7A’s Propagation Tools Page
• G0KYA’s – making sense of 10m propagation.
• Understanding ionospheric sounding and digisondes
• Free ebooks about HF propagation