Diverse Ham links
Callbooks
www.buck.com
www.qrz.com
Verenigingen e.d.
www.veron.nl
www.rdr.nl
www.vrza.org
Overige sites
www.zendamateurs.nl
www.contesting.com
www.geo.mtu.edu/weather/aurora
http://members.rott.chello.nl/eridder