DF7KF  (home)

 

Eimac      

 www.rfparts.com       http://www.wvs-tech.de/wvs-home.htm 

  G3SEK 

http://www.dxham.com/tubes.html

  http://www.david-kirkby.co.uk/ham/y799.html

  http://www.nrcdxas.org/articles/btf10c/

http://df6na.mayn.de/~df6na/tubes.htm

  http://www.nd2x.net/ 

   Svetlana

3CX3000 2m

http://www05.u-page.so-net.ne.jp/da2/ja4cuu/amphbhf.htm    

http://www2.arrl.org/tis/info/amplifir.html

 http://www.vcnet.com/measures/ 

http://bun.dokidoki.ne.jp/
http://www.mgs4u.com/transmit.htm
http://www.tubeman.com/
http://sharon.esrac.ele.tue.nl/pub/funk2001/Etronik/Design/TAP/
http://www.uksmg.org/bits.htm
http://wd7s.home.att.net/gallery_index.htm 
http://i5uxj-2.cln.it/amp/
http://home.iae.nl/users/pe1ogf/qro.htm