Les conditions de propagation....

selon QSL.net



selon l'ARRL


Et le cycle 24?




W6ELProp™ -- By Sheldon C. Shallon, W6EL - predicts ionospheric (sky-wave) propagation between any two locations on the earth on frequencies between 3 and 30 MHz. YOU HAVE TO HAVE THIS ONE -- HAMS OR SWLers

ON5AU Propagation and Antenna Site -- Loaded with good info and graphs

On-Line HF Propagation Prediction By Serge Stroobandt, ON4AA

D-Region Absorption Prediction - From The NOAA/Space Environment Center

Excellent Propagation Info -- By Geoffrey Noles, AE4RV

Radio Propagation -- from Your Remote S-Meter pages