144 MHz Sporadic-E QSO maps in North America
Watch older sporadic-E maps     Maps of Europe        Animated maps

You can help in the development of these maps and in other VHF propagation analysis projects! Please...

• Send formatted DX-Spots that can be easily interpreted by DXMAPS. Something like "JM19<ES>JN45" is the best.

• Keep your locator up to date in the database and in your own DX-Cluster

• Spot your contacts in the DX-Cluster right after the QSO is made, not 15 minutes later as some OM do.

• Use the WSJT DX Aggregator to automatically report FT8/FT4 spots to DXMAPS.

PLEASE NOTICE that in order not to take too much "bandwidth" I will no longer announce the availability of new maps through public mailing lists / newsgroups.  If you want to know when new maps are available please subscribe to the DXMAPS Telegram channel or follow DXMAPS on Twitter or in Facebook.

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