PL is usually aroung 800 Hz. 1 K little high, but should not cause a problem unless the problem radio's PL circuits are being over driven.
I would get the problem radios on a service monitor. Some of the IC PL units, which probably is what is in these radios, and there might be a problem with them not being on PL freq. Generate the input rcv signal with PL from the service monitor and see how far off PL tone freq you can be. Might find they are on the edge decoding sometimes and not others. Also could verify if receivers have a sen problem. With radios in PL it is often harder to tell if signal is fading since PL cuts in and out and cannot open sq for this test. I would want to verify problem receivers are working before I tore into the base/repeater. 73, ron, n9ee/r >From: David Murman <[EMAIL PROTECTED]> >Date: 2008/07/18 Fri PM 07:49:19 EDT >To: [email protected] >Subject: RE: [Repeater-Builder] PL Problem > > >Isn’t1K a little hot for PL tone? > > > >David > >-----Original Message----- >From:[email protected] [mailto:[EMAIL PROTECTED] On Behalf Of >tgundo2003 >Sent: Friday, July 18, 2008 7:56AM >To:[email protected] >Subject: [Repeater-Builder] PLProblem > >I need some suggestions. > >It seems that my users that have newer Motorola "Astro" series radios >have a problem on my Micor UHF repeater where the PL does not always >open up their radios. It seems that it's only Astro type radios that >have the problem. > >I have the PL Deveation set at 1K. It's generated internally on the >uni-chassis TX PL board. > >I have 2 GP-300's, 1 MAxtrac, 1GM300, a Yeasu dual band Mobile and a >Radio Shack HTX-404 (With an MDC board installed it in! I actually >love that little radio) and None of them have any problems decoding >the PL. > >So what's up with the new stuff? It it really picky? what else should >I check? > >Thanks!! > >Tom >W9SRV > >P.S.- I told them all to buy old radios and be done with it. Besides >the TX audio out of the new stuff sucks anyways, IMHO, unless you like >listening to over-processed crap ;) > > Ron Wright, N9EE 727-376-6575 MICRO COMPUTER CONCEPTS Owner 146.64 repeater Tampa Bay, FL No tone, all are welcome.
