Any windows PC with a serial port, an aftermarket or "real" Motorola cable and software.
On Thu, Jul 29, 2010 at 11:05 PM, Tim Sawyer <[email protected]> wrote: > > > What's it take to program those radios? > -- > Tim > :wq > > On Jul 29, 2010, at 8:45 PM, James Adkins wrote: > > > > I disagree on the price of the CDM's. You can get the CDM-750 (4-channel) > for as low as $75 to $125 if you watch for them on e-bay. The CDM-1250 and > CDM-1550 are more expensive used, but still you should be able to get them > for $250 or less if you just have to have the 128 channels and alpha > display. > > On our setup, I program the RX CDM for PL on receive, but leave it in > monitor mode. I then feed the PL detect from the RX radio to the PL encode > of the TX CDM. When it gets back to the site, if the radio receives a PL, > then it sends the logic out the PL detect pin. If it doesn't, then no logic > is sent. This way you can turn the PL tone at all your remote sites locally > with your controller. > > On Thu, Jul 29, 2010 at 3:35 PM, Glenn (Butch) Kanvick > <[email protected]>wrote: > >> >> >> Hello Tim. >> >> I just looked in my storage site and I found a Micor Base/Repeater which >> is on the band split of 402-430 MHz. I do not have channel elements for it. >> I know it was working when it came out of service a few years ago, and the >> PA can be used as a digital station, as it takes the four pin channel >> elements. It is the complete base repeater which is designed for continious >> duty as it has the large pa heatsinks. >> >> Let me know if you would like pictures of it. >> I have $200.00 into it and it weighs alot so I am sure shipping via ground >> would be around $50.00. >> >> If you need the cabinet and power supply it would be $400.00 plus actual >> shipping. >> >> >> Butch, KE7FEL/r >> On Thu, Jul 29, 2010 at 1:33 PM, Tim - WD6AWP <[email protected]>wrote: >> >>> >>> >>> Those CDM radios are a bit pricy at $550 each. But I appreciate the >>> suggestion. And you've given me some ideas. >>> >>> I still like the idea of building an out of band repeater for the remote >>> receive site from a Micor chassis. I would need a 406-420 exciter, bandpass >>> filter and trippler. If anybody on the list has those or can help me find >>> them I'd really appreciate it. >>> >>> --- In [email protected]<Repeater-Builder%40yahoogroups.com>, >>> James Adkins <adkins.ja...@...> wrote: >>> > >>> > I am using the Motorola CDM series of radios for 420-425 MHz links from >>> > voting sites. They make a low-split UHF split that covers 403-470 MHz >>> out >>> > of the box, no mods needed. On the transmit sites, you will want to use >>> a >>> > fan for cooling. We mount the RX radio and a UHF TX radio on a 1U rack >>> > shelf, use a 4" hole saw and drill a hole under the UHF TX radio, and >>> > purchase a nice Dayton 24vdc fan that is actually a ball bearing fan >>> that >>> > you can count on for years of use, and let it go. Have not had any >>> problems >>> > to date with these rigs over a 4 year span. >>> > >>> > at W6KGBs article on moving 450-470 Mastr IIs >>> > >>> > > to 420-450. It's on the GE Mastr II page at repeater-builder. >>> > > >>> > > You could use a Mastr II UHF mobile with the receiver, >>> > > exciter and IPA converted to 420, then use the receiver >>> > > in an aux receiver chassis at the voter site. >>> > > You wouldn't need to convert the PA, the IPA (driver) >>> > > and a beam would be enough for a point-to-point link. >>> > > >>> > > Bob Meister WA1MIK did an article on converting the >>> > > multiplier chains so that the UHF Micor receivers could >>> > > hear down as low as 435 MHz (where the front ends >>> > > run out of tuning range). >>> > > >>> > > Mike WA6ILQ >>> > > >>> > > At 05:10 PM 07/27/10, you wrote: >>> > > >Thanks Jeff, I'll keep looking around for those low split UHF Micor >>> > > >receivers. What about the transmit side? >>> > > > >>> > > >Maybe I should look for a unified chassis low split UHF repeater. >>> > > >Swap out the UHF receiver for a VHF high band receiver and use that >>> > > >for my remote receiver site. Then use the low split UHF receiver on >>> > > >the other end of the link. >>> > > > >>> > > >That make sense? >>> > > > >>> > > >--- In >>> > > >[email protected]<Repeater-Builder%40yahoogroups.com> >>> <Repeater-Builder%40yahoogroups.com>, >>> >>> > > "Jeff DePolo" <jd0@> wrote: >>> > > > > >>> > > > > > When you say low split, are you talking about the Motorola >>> > > > > > TRE1201/TRE8031 406-420 Mhz receivers? >>> > > > > >>> > > > > I don't have a manual in front of me, but yes, 406-420 receivers, >>> > > they'll >>> > > > > work fine well into the mid 430's without mods. >>> > > > > >>> > > > > > What Canadian sources might have these? >>> > > > > >>> > > > > Well, Spantek comes to mind as a dealer. CW Wolfe used to get a >>> lot of >>> > > > > stuff out of Canada, but I haven't talked to Bud in quite a few >>> years, >>> > > not >>> > > > > sure if he's still in business. This list is probably the best >>> > > resource. >>> > > > > eBay as an alternative. If you get desperate I still have a few >>> dozen >>> > > > > low-split Micors in the warehouse, but really don't have the time >>> (or >>> > > > > patience) to deal with packing and shipping radios for what few >>> dollars >>> > > I'd >>> > > > > get out of them (i.e. value of my time > $value of radio). But if >>> you >>> > > just >>> > > > > wanted a receiver, you can consider me a last resort if you >>> strike out >>> > > > > everywhere else... >>> > > > > >>> > > > > --- Jeff WN3A >>> > > > > >>> > > > > >>> > > > > > >>> > > > > > --- In >>> > > > > > [email protected]<Repeater-Builder%40yahoogroups.com> >>> <Repeater-Builder%40yahoogroups.com> >>> > > > > > <mailto:Repeater-Builder%40yahoogroups.com<Repeater-Builder%2540yahoogroups.com> >>> <Repeater-Builder%2540yahoogroups.com>> >>> >>> > > , "Jeff DePolo" >>> > > > > > <jd0@> wrote: >>> > > > > > > >>> > > > > > > > What is a good radio for building a one way 420 link? The >>> > > > > > > > link will be for a remote receiver and will not need to be >>> > > > > > > > duplex... RX at the voter and TX at the remote receiver. >>> The >>> > > > > > > > link RX has to live on a noisy hill. Thanks for your >>> advice. >>> > > > > > > >>> > > > > > > My preferences, in no particular order, would be >>> > > > > > Micor/SpectraTAC (low >>> > > > > > > split), Mastr II ("77" split), and Delta-S (low-split). >>> > > > > > MVP/Exec II (again, >>> > > > > > > "77" split) would be fine too. All have excellent front >>> > > > > > ends. They can be >>> > > > > > > found if you look a bit, especially check Canadian sources; >>> > > > > > they're not as >>> > > > > > > easy to find stateside as 450-470 radios, but they're not >>> > > > > > unobtainium >>> > > > > > > either. >>> > > > > > > >>> > > > > > > --- Jeff WN3A >>> > > > > > > >>> > > > > > >>> > > > > > >>> > > > > > >>> > > > > > >>> > > > > > >>> > > > > >>> > > > >>> > > > >>> > > > >>> > > > >>> > > >------------------------------------ >>> > > > >>> > > > >>> > > > >>> > > >Yahoo! Groups Links >>> > > > >>> > > > >>> > > > >>> > > >>> > > >>> > >>> > >>> > >>> > -- >>> > James Adkins, KB0NHX >>> > Vice-President -- Nixa Amateur Radio Club, Inc. (KC0LUN) >>> > www.nixahams.net >>> > >>> > Southern Missouri Assistant Frequency Coordinator - Missouri Repeater >>> > Council >>> > www.missourirepeater.org >>> > >>> > The Nixa Amateur Radio Club - "There is no charge for awesomeness!" >>> (Well, >>> > only $1.00 per month) >>> > >>> >>> >>> >>> >> >> > > > -- > James Adkins, KB0NHX > Vice-President -- Nixa Amateur Radio Club, Inc. (KC0LUN) > www.nixahams.net > > Southern Missouri Assistant Frequency Coordinator - Missouri Repeater > Council > www.missourirepeater.org > > The Nixa Amateur Radio Club - "There is no charge for awesomeness!" (Well, > only $1.00 per month) > > > > -- James Adkins, KB0NHX Vice-President -- Nixa Amateur Radio Club, Inc. (KC0LUN) www.nixahams.net Southern Missouri Assistant Frequency Coordinator - Missouri Repeater Council www.missourirepeater.org The Nixa Amateur Radio Club - "There is no charge for awesomeness!" (Well, only $1.00 per month)

