December 8, 1999

duplexers and filters theory and build your own Duplexer Theory and Tuneup by Dave Metz, WA0AUQ of SEITS is a guide to duplexer theory and basic tune up. Build a set of Band Pass - Band Reject 2 Meter Duplexers from W1GAN article July 1972 QST. 6 Meter Heliax Duplexers is a project to build them by James Poll of Allen, TX. commercial suppliers Decibel Products Digital Communications Inc.(Canada) has filters for intermod and remote bases, etc. TX RX Systems, Inc. Wacom Products SEITS HomePage - Web Links - Ham Radio Dealers - Computer Dealers Maps - Features - Newsletters - Repeater Info Comments or submissions for publication can be sent to muldoon@seits.org. © 2000 SouthEast Iowa Technical Society