Menu principale:
Organizations and Club
http://www.mdxc.org/
http://www.arrl.org/
http://www.ari.it/
http://www.ari-vinci.com/
Friends
http://iz5asz.altervista.org/
http://www.iz5cml.it/
http://xoomer.alice.it/iz5dki/
http://www.arrl.it/i5dof/index.htm
http://www.i5wbe.it/
http://www.iz7auh.com/
http://www.webalice.it/iz5dkg/
http://ik5ros.tk/
http://www.r6-ru4montesecchieta.it/
http://xoomer.alice.it/ik5afj/
http://www.iz5ekv.135.it/
Portals and clx
http://oh2aq.kolumbus.com/dxs/
http://www.dxscape.com/
http://www.dxer.org/
http://www.dxwatch.com/dx
Propagation
http://www.dxlc.com/solar/
http://dx.qsl.net/propagation/index.html
http://www.hfradio.org/propagation.html
http://www.spaceweather.com/
Callbook
http://www.qrz.com/
http://hamcall.net/call