The purpose of QEX is to: 1) provide a medium for the exchange of ideas and information among Amateur Radio experimenters 2) document advanced technical work in the Amateur Radio field, and 3) support efforts to advance the state of the Amateur Radio art.

User-updated database search for Linked and Stand alone Repeaters by area, and Repeater Systems that link two cities together.

Meteorscatter, Tropo, Es

VHF - Homebrewing, VHF Live Cluster, Antennas VHF, AO-40 satellite pages

A discussion forum dedicated to D-Star users.

Information about the 4m or 70MHz band. This band is allocated in the UK, ZB2, 5B4 and S5 and is also good for cross band to 6m.

EME, MS, and Tropo from the island of Corsica.

Australian page featuring 45-108 MHz VHF DX via Es, multi-hop sporadic E, TEP, and F2 propagation.

Toplist for UHF/VHF 50MHz to 241GHz, worked grids, DXCC, WAS, and EME initial Toplists.

VHF/UHF/Microwave/EME Standings, a Who's Who on top in USA