[Repeater-Builder] 440/ 70cm Duplexers 1.6 mhz shift

[IM Ashford]

Guys,

Update on the 70cm duplexer project using surplus Tetra/Dolphin motorised 
cavities.

http://www.radiohamzone.com/DolphinDuplexers/dolphin_duplexers_build.htm 


Ian 
G8PWE