Seemed to me like the coupling loops entered in, ie., the inter stage lengths were shorter by the coupling loop electrical length than the length between the antenna junction and the first cavity.
ssb I usually cut and try - add an elbow and see if loss goes up, if not shorten the cable a bit... ----- Original Message ----- From: "ian wells" <[EMAIL PROTECTED]> To: <[email protected]> Sent: Wednesday, November 05, 2003 8:43 PM Subject: Re: [Repeater-Builder] vhf low band duplexer | hi is this formula used between each tin so each length between each tin is | the same as well as the joining leads to the y connector ? | | ----- Original Message ----- | From: "Virden Clark Beckman" <[EMAIL PROTECTED]> | To: <[email protected]> | Sent: Thursday, November 06, 2003 12:39 PM | Subject: Re: [Repeater-Builder] vhf low band duplexer | | | > 468 X freq / velocity factor = physical length, add 1/2 for pl connector | > soldering. | > | > ian wells wrote: | > > | > > I am trying to build a 70-80mhz duplexer for a repeater .would anyone | know | > > of some good pages about making your own cable harness to join the | cavity | > > tins together | > > thanks ian | > | > -- | > 73...Clark Beckman N8PZD | > | > | > | > | > | > Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/ | > | > | | | | | | Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/ | | --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.535 / Virus Database: 330 - Release Date: 11/1/2003 Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
