http://www.ari.it/

http://www.aritn.it/

 http://www.inorc.it/

http://www.skccgroup.com/

http://www.ariloano.it/marconiclub/

http://nuke.vibroplexcollectors.org/Home/tabid/466/Default.aspx

http://digilander.libero.it/assoradiomarinai/

http://www.lcwo.net/?p=main

http://www.magic-phone.it/shop/

http://www.qrz.com/index.html

http://hamcall.net/call

http://www.dxsummit.fi/SendSpot.aspx

http://www.radioamateur.org/webcluster/index.html

http://www.dxfuncluster.com/noucluster.php

http://www.radiocq.com/

http://cluster.f5len.org/index.php