WWW.G4DBX.COM

http://www.bartg.org.uk/index.asp The UK's group for RTTY/PSK, membership is free.

http://www.qrz.com Any thing and every thing to do with Ham Radio.

http://www.vhfdx.net/vqlog.html I have been using this logging software since 2001.

http://i5uxj-2.cln.it/amp/ If you are into serious QRO this is the site for you!

http://www.nd2x.net/yu1aw-144.html Yet more QRO stuff.

http://www.mixw.net/ A good piece of software for the digimodes.

http://www.ham-radio-deluxe.com/ This is in my opinion the best for digimodes.

http://www.digital-modes-club.org A useful site for digital mode operators.

www.geocities.com/vk0ld/Kevin.html Highly recommended.