Drop in a Com Spec Board in the repeater and solve your problem. Chuck WB2EDV
----- Original Message ----- From: "Al Wolfe" <[EMAIL PROTECTED]> To: <Repeater-Builder@yahoogroups.com> Sent: Wednesday, September 26, 2007 9:09 AM Subject: [Repeater-Builder] Re: Quantar and PL > Eric, > Thanks for your quick response. It's true that most of the ham grade > portables have far too much tone deviation as delivered. The issue here is > only with VX6's so far. Of the VX6's actually measured one was only 200 Hz > deviation and all seemed low, that is, none were up to 500 Hz. Have not > measured tone accuracy or distortion. > > I doubt if these radios have been modified as the owners aren't > particularly technically inclined. One is blind. > > So the questions remain: Is the Quantar PL sensitivity adjustable? Is > it > a good thing to make it more sensitive? How do I convince some users that > there may be a problem with their radio? > > "My radio worked before you guys messed with the repeater. Now it > doesn't. So fix the repeater." is the attitude. I would hate to compromise > an otherwise great repeater. > > Al, K9SI > > >> Re: Quantar and PL >> Posted by: "Eric Lemmon" [EMAIL PROTECTED] wb6fly >> Date: Tue Sep 25, 2007 9:53 pm ((PDT)) >> >> Al, >> >> Something doesn't sound right here... most Yaesu portables- including my >> own >> VX7- have far too much tone deviation as delivered. This is common with >> many Amateur-grade radios, and Alinco is the worst. The CTCSS deviation >> is >> usually not adjustable in the small portables, so the manufacturers >> apparently think that more is always better. >> >> I don't have experience with the VX6, but I would be surprised if the >> CTCSS >> deviation wasn't close to 900 Hz. Perhaps these users modified all of >> the >> radios to pad down the tone deviation, but I think that 500 Hz is ideal. >> I >> will check my Quantar service manuals at work for confirmation, but I >> suspect that the tone sensitivity is fixed. >> >> I wonder if there is another factor at work here, such as the purity of >> tone >> coming from the VX6 radios, and the tone accuracy. Does the Quantar work >> with other radio brands/models? Maybe it doesn't like raspy tones. >> >> 73, Eric Lemmon WB6FLY >> >> >> -----Original Message----- >> From: Repeater-Builder@yahoogroups.com >> [mailto:[EMAIL PROTECTED] On Behalf Of Al Wolfe >> Sent: Tuesday, September 25, 2007 9:24 PM >> To: Repeater-Builder@yahoogroups.com >> Subject: [Repeater-Builder] Quantar and PL >> >> We recently replaced an aging UHF machine with a Quantar for a local ham >> repeater. Now it seems that some users are not able to key up the system. >> Turns out their radios (all VX6's) have fairly low tone deviation. Tests >> on >> the Quantar show that it needs at least 300 htz to key it. This seems >> reasonable to me but the users all say "Well, my radio used to work with >> the >> old repeater. So fix the new one." >> >> Is there a way to increase the sensitivity to PL tones in a UHF Quantar? >> Is this desirable? >> >> Al, K9SI > > > > > > > > Yahoo! Groups Links > > > >
