Gregg, The Sinclair cable harness for the low-split Q202G duplexer should look like this:
<-----[]-----[]-----[]-----[]-----[]-----> TX 1 2 ANT 3 4 RX The "[]" symbol is a tee connector. The distance between 1 and 2, 2 and ANT, ANT and 3, and 3 and 4 should be about 14 inches measured from the center of the back of each tee. The distance between TX and 1, and between 4 and RX, can be whatever length it takes to fit without any excess or splices. The 14 inch dimension is based upon using RG-214/U double-shielded coax. I got these dimensions by measuring a brand-new harness that a local club purchased from Sinclair. 73, Eric Lemmon WB6FLY -----Original Message----- From: [email protected] [mailto:[EMAIL PROTECTED] On Behalf Of Gregg W6IZT Sent: Sunday, March 23, 2008 11:15 AM To: 'Gregg W6IZT'; [email protected] Subject: [Repeater-Builder] RE: Sinclair Q202 duplexer harness info -----Original Message----- From: Gregg W6IZT [mailto:[EMAIL PROTECTED] <mailto:w6izt%40bellsouth.net> ] Sent: Sunday, March 23, 2008 2:06 PM To: '[email protected] <mailto:%27Repeater-Builder%40yahoogroups.com> ' Subject: Sinclair Q202 duplexer harness info Our club has what we believe is a Sinclair Q202 duplexer. This variant has piston trimmers to adjust the notch frequency. The coax harness is beginning to fail (the braid is fraying at the crimp on a couple of the cables). I do not know what frequency this duplexer was originally tunes to. What I need is the proper length of the cables that make up the harness assembly for operation in the 2 meter band. If you know the physical dimensions please include the cable type and/or velocity factor Hopefully someone Thanks Gregg W6IZT
