Amateur
- 401
- Amateur Radio Propagation Studies
- Articles include the topics of propagation, weather and backscatter.
- 404
- DF9IC
- German operator presents operational and technical information, map grids, QSL gallery and photos. Features the test results of 144 MHz allmode transceivers.
- 405
- DK1CM's Amateur Radio Station
- VHF DX amateur radio station from Germany. Includes photos of the ham shack and antennas.
- 407
- DXrobot web site
- VHF DX information with AURORA and E-SKIP warnings via your email or mobile phone.
- 408
- EME and VHF DXing
- Introduction to Earth-Moon-Earth (EME) communications, moon tracking software, 6m filters, 6m antenna construction.
- 409
- G0RUZ VHF, UHF, SHF DX Page
- Provides weak-signal DX information on 50,144,432 and 1296 Mhz. Includes propagation, antennas, tube data and construction tips, and photographs. United Kingdom.
- 410
- G8BCG
- Includes audio archives from H44PT cycle 21; also from cycle 23 G8BCG, Z2/G8BCG, ZB0/G8BCG. Contains a QSL gallery and Marconi postage stamps and ham radio first day covers.
- 411
- HB9Q : EME from Switzerland
- VHF DX group specializing in EME on 144, 432 and 1296 MHz. Includes expeditions information and photo gallery.
- 413
- N3DB's 50MHz Homepage
- This site is devoted to operation on the 6 meter band from the mid-Atlantic region, and includes statistics, GS35b homebrew 50MHz amplifier details, EN67 6 Meter Grid DXpedition 2003.
- 415
- VE2PIJ VHF+ Weak Signal Site
- Grid square list, VHF/UHF contest calendar, QSO Party results, and grid square maps.
- 417
- VHF DX Propagation Information
- Information on VHF DX communications, including aurora, Earth-Moon-Earth (EME), meteor scatter, moontracking software.
- 418
- W5UN
- Information on 144 MHz Earth-Moon-Earth communications, and home of Skymoon and CWkey5 EME software.