Hi Ron, >I need contact info for ComTek and DX Engineering, and anyone else >making 4-square phasing networks. >WA9IRV - Ron Contact Jim Miller, KF4HK at COMTEK SYSTEMS email: comtek4@juno.com 73, Dick -K5QY -- FAQ on WWW: http://www.contesting.com/topband.html Submissions: topband@contesting.com Administrative requests: topband-REQUEST@contesting.com Problems: owner-topband@contesting.com