Skipp, sent you a message, but sometimes messages from my domain are put in spam on yahoo. I still haven't figured out why, so if you don't get it in your inbox, check the spam folder.
Jeff -------------------------------------------------- From: "skipp025" <[email protected]> Sent: Friday, July 16, 2010 12:51 AM To: <[email protected]> Subject: [Repeater-Builder] Re: TKR-820 CTCSS/DCS EEPROM > > > Hi Jeff, > > I have a few DCS TKR-720/820 Eprom files in my collection. Email > me direct if you haven't got it figured out by the weekend. I > have a KPT-50, the software and the ponyprog setup you have > so I can help as time allows. > > With that software and an inexpensive EEprom Programmer easily > found on Ebay... you can do a lot of neat stuff... like the > mentioned. > > cheers, > > skipp025 at yahoo.com > > --- In [email protected], "Jeff Lavoie - KB1SPH/WQEX694" > <kb1...@...> wrote: >> >> Ok, let me make it a little more clear for anybody that might not have >> understood the first message. (No offense intended Eric) >> >> A Kenwood TKR-820 repeater has CTCSS and DCS encoding and decoding built >> into it with an on-board controller. The configuration is stored in a >> EEPROM chip, 93C46 (or 93LC46). >> >> What I'm trying to do is figure out how to change the configuration >> without >> using the expensive Kenwood programmers, unfortunately this one isn't >> just a >> simple cable. >> >> I have a serial EEPROM reader/writer, so I used instructions found in the >> repeater-builder archives at >> http://www.mail-archive.com/[email protected]/msg63481.html >> to modify the configuration for the ctcss tones. Unfortunately, the >> person >> who wrote that article didn't figure out the DCS configuration. >> >> So I'm hoping that someone who has a TKR-820 already configured for DCS >> has >> the ability to read the EEPROM chip as well and send me a copy. >> >> I hope that clears it up a little more. >> >> Jeff, KB1SPH / WQEX694 >> >> >> -------------------------------------------------- >> From: "Eric Lemmon" <wb6...@...> >> Sent: Thursday, July 15, 2010 10:24 PM >> To: <[email protected]> >> Subject: RE: [Repeater-Builder] TKR-820 CTCSS/DCS EEPROM >> >> > Jeff, >> > >> > I suspect you may be headed for disappointment. CTCSS (PL) and CDCSS >> > (DPL) >> > are handled differently within the radio. While the former is audio, >> > albeit >> > sub-audible, the latter requires a DC connection to the modulator in >> > order >> > to create the DCS signal at a 134.4 Hz rate. In other words the CTCSS >> > hardware will not work for CDCSS. Perhaps some readers who have >> > TKR-820 >> > stations with CDCSS capability can advise you about the modifications >> > and/or >> > optional modules that are necessary to handle DCS. >> > >> > 73, Eric Lemmon WB6FLY >> > >> > >> > -----Original Message----- >> > From: [email protected] >> > [mailto:[email protected]] On Behalf Of kb1...@... >> > Sent: Thursday, July 15, 2010 7:03 PM >> > To: [email protected] >> > Subject: [Repeater-Builder] TKR-820 CTCSS/DCS EEPROM >> > >> > >> > >> > >> > Ok, I'm playing around with my Kenwood TKR-820 a bit. I've found the >> > instructions for HEX editing the channel and ctcss information after >> > reading it from the EEPROM, and they work great. But there's nothing >> > about DCS. I'm wiing to try and decipher how to get the DCS, but I >> > need a look at the information from a chip that contains DCS >> > information. Since I don't have a real programmer I can't change mine >> > and then look at it. So if anyone has a TKR-820 with DCS in it and a >> > EEPROM reader, it would be greatly appreciated if you are wiling to >> > read >> > the chip with PonyProg2000 (http://www.lancos.com/ppwin95.html) and >> > send >> > me a copy. >> > >> > Thanks, >> > Jeff, KB1SPH / WQEX694 >> > >> > >> > >> > >> > >> > >> > ------------------------------------ >> > >> > >> > >> > Yahoo! Groups Links >> > >> > >> > >> > > > > > ------------------------------------ > > > > Yahoo! Groups Links > > >

