the front end is from a standard RPT-21 there is approx 4 complete turns of wire the size of a 1n4001 diode lead.. and well matter of fact the same material and it has aluminum slugs
----- Original Message ----- From: "DCFluX" <[EMAIL PROTECTED]> To: <[email protected]> Sent: Thursday, February 24, 2005 9:24 PM Subject: Re: [Repeater-Builder] Helical Front end UHF > > We need a little more information on the repeater you have, such as > the model number and the rough dimensions of the coils and the cavity. > > I have converted a Yaseu FTC-4610 from 474 to 443MHz (With .32uV > sensitivity) by adding 1/2 of a turn to the top of the coils, perhaps > the same can be accomplished here. Also you can try replacing the > slugs with a different material such as Brass or Aluminum to shift the > resonance, I have used brass screws on a VHF micor with good but not > perfect results. > > On Thu, 24 Feb 2005 20:55:42 -0600, Brent <[EMAIL PROTECTED]> wrote: > > > > SPEAKING of front ends... > > I have a set of helical Resonator from a standard repeater... and it is on > > 467.2 rx and moving it to the 448.000 > > Everything else tunes up just fine, so the thought was to add about 1/4" of > > same material and size wire that it is already wrapped with > > so the tuning slugs wont be so far down in the cans...(not much height on > > the cans themselves). and a 1/4" could it me that much that the slugs are > > now out of the can.. ??? > > or would I want to try to move the Tap on the coil first any thoughts. > > thanks > > Brent > > > > > > > > Yahoo! Groups Links > > > > > > > > --- > [This E-mail scanned for viruses at TNWEB LLC] > > > > > -- > No virus found in this incoming message. > Checked by AVG Anti-Virus. > Version: 7.0.300 / Virus Database: 266.4.0 - Release Date: 2/22/2005 > > -- No virus found in this outgoing message. Checked by AVG Anti-Virus. Version: 7.0.300 / Virus Database: 266.4.0 - Release Date: 2/22/2005 --- [This E-mail scanned for viruses at TNWEB LLC] Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/Repeater-Builder/ <*> To unsubscribe from this group, send an email to: [EMAIL PROTECTED] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
