Enlaces de interés
https://sites.google.com/site/ea7ahg/
http://www.phonestack.com/farhan/
http://www.webx.dk/oz2cpu/homemade-elec-main.htm
http://py2ohh.w2c.com.br/
http://www.w6pql.com/index.htm
http://www.neazoi.com/#Circuits_and_Projects
http://lea.hamradio.si/~s53mv/
http://www.qsl.net/dk7zb/start1.htm
http://www.g4jnt.com/
http://g8jnj.webs.com/
http://pa0fri.home.xs4all.nl/