Hello all, does anyone have the diagram for a box to switch the phone and mic for one operator and 2 radios? Thank you , SERGIO PP5JR ALSO ZX5J -- FAQ on WWW: http://www.contesting.com/towertalkfaq.html Submissions: towertalk@contesting.com Administrative requests: towertalk-REQUEST@contesting.com Problems: owner-towertalk@contesting.com Search: http://www.contesting.com/km9p/search.htm