propagation online

EI4IX Dave - Dedicated to 50MHz and 144MHz. Online 2m and 6m logs. Real Audio sound clips of Tropo, Aurora, Sporadic E, Meteor Scatter, TEP and F2 Propagation.

Ukrainian HF portal - Ukrainian radioamateur on HF: DX News, Contesting, Propagation, Conference, Photo, Radioamateur Map, Online Logs etc.

HF Propagational Resources - Create Online Maps, Check Forcasts and Conditions, more features being added each month, by hfradio.org

ITU CIRAF zones maps - Online CIRAD zone maps by ITU

6 Meters Online - 6 Meters Online. A site for 6m enthusiasts with propagation reports, forums, webcams and more.

WSPRnet Weak Signal Propagation Reporter Network - A group of amateur radio operators using K1JT's MEPT_JT digital mode to probe radio frequency propagation conditions using very low power transmissions. Computer sent/received Morse signals received by amateurs and collected on an online database.

VOACAP Online - Online professional-grade high-frequency (3-30 MHz) propagation predictions

Band Master - Band Master is a program for Radio Amateurs that downloads DX spots and displays them in different ways, including a graphical band map. It can be used either as a stand alone application or as part of a logging or contesting software via the COM/OLE interface. Rig control, country/province resolution, azimuth/distance calculator and online QRZ lookup are built-in, propagation prediction and geographical mapping are available through integration with HamCap and DX Atlas respectively.