- Callsign database www.qrz.com
- Dx cluster online www.dxfuncluster.com
- Info radioamateur http://www.arifidenza.it/
- sicilian radioamateur http://radioamatorisicilianinelmondo.jimdo.com/soci-rasm/
- ROS club http://www.europeanrosclub.tk/
- Manuals ICOM http://www.icom.co.jp/world/support/download/manual/
- Repeater Italy http://www.infodomus.it/radio/frequenze/ponti.asp