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programming for Kenwood repeaters
开云体育Hi all, ? I have a Kenwood TKR850 ver 2 and another one with is a TKR851. My question is: ? I have a serial cable I use to program the 850, and the KPG 91 CPS Will both repeaters use the same programming CPS and serial cable for programming? ? |
Cable yes....KPG is different iirc Chris WB5ITT On Wed, Mar 26, 2025, 10:32 AM Chad Nelson via <chad.nelson71=[email protected]> wrote:
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Same cable, same s/w. KPG-91D will program both.
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On 3/26/2025 11:33 AM, Chris Boone WB5ITT via groups.io wrote:
Cable yes....KPG is different iirc |
On Wednesday, March 26, 2025 at 11:32:39 AM EDT, Chad Nelson <chad.nelson71@...> wrote:
Hi all, ?Yes on the cable but I don't know about the software.? Les Keegan? N4LPK? I have a Kenwood TKR850 ver 2 and another one with is a TKR851. My question is: ? I have a serial cable I use to program the 850, and the KPG 91 CPS Will both repeaters use the same programming CPS and serial cable for programming? ? |
The KPG-91D software is valid for the 750/751/850/851. And it is
backwards compatible with pre Version 2 TKRs as well.
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Ken At 11:34 AM 3/26/2025, you wrote: On Wednesday, March 26, 2025 at 11:32:39 AM EDT, Chad Nelson <chad.nelson71@...> wrote: |
开云体育Ken, ? ? The more I learn and ? From: [email protected] <[email protected]> On Behalf Of Ken Arck AH6LE via groups.io ? The KPG-91D software is valid for the 750/751/850/851. And it is backwards compatible with pre Version 2 TKRs as well.
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> I have a Kenwood TKR850 ver 2 and another one with is a TKR851. My question is:
> I have a serial cable I use to program the 850, and the KPG 91 CPS
> Will both repeaters use the same programming CPS and serial cable for programming? ?
Yes.? The TKR851s (and 751s) were developed and manufactured after the TKR850 Ver 2s
were developed.?? In other words, all of the x51s are Version 2 radios.
Between the shop and several local ham groups I've laid hands on about 40 TKRx50s both Ver 2s and pre-Ver 2s.?? The KPG-46 cable works on all of them.
The original units required KPG-66D (as far as I know ver 2.01 was the final). The V2 units required KPG-91D.? There have been several versions, one had a fan bug...? The TX fan had two modes, thermal and always-on.?
When KPG-91D was used on a original unit there was a possibility that the fan would get stuck in always-on.
I was told that Version 2.13 resolves that.? I've been using 2.13 on both original units and Ver 2s with zero issues.
Until 2.13 came out I had both KPG-66 and KPG-91 on my field computers.
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One caution from a local Kenwood shop tech:
= = = = = There's at least one fairly useful bit of information I can contribute regarding Kenwood Repeater programming. You want the ".dat" file that is loaded into the repeater to be generated by the same version of software. Meaning, if you use kpg-91d version 2.x to create the dat file (codeplug) for your TKR then you want to use
only the exact same version 2.x to upload that dat file into the TKR and not any other version.
If you don't know what version the loaded repeater dat file was created with, read it and create a new one using only the software version you have loaded in / used with your computer.
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When you start crossing different versions of programming software some very strange operational quirks can,
and in certain cases will occur. Save yourself the head scratching trouble shooting that I've already seen come
through the door.
= = = = =
In other words, you can be setting yourself up for future problems if something like this happens...
* Your second hand repeater came with a codeplug that was generated by, say, Ver 1.6 software (and in reality you probably have no idea what version was used).?
* You naturally bench that new-to-you repeater to check it out.? * You have a workbench computer with, say, Version 2.1 software on it.??
* You download and save the codeplug on your bench computer, modify the codeplug with your ham frequencies, tone, etc, retune the repeater front end and then install the repeater at your site.?
* You have a field computer and it has the new rev on it - let's say that it is version 2.13. ?
* Six months later you are at the site for some other reason and while you are there you decide to add a backup mode to the repeater... Mode 01 is the normal mode and is configured for an external controller
and you decide to set up Mode 02 with the in-cabinet-repeat and internal ID just in case the controller
dies at some future date and the repeater has to work by itself.??
Someone can go to the site and just press "Channel Up" so the display reads "02". * You download the repeater codeplug to your laptop, make the change, and then upload it.?? * And now the repeater starts misbehaving. Mode 01 does;t even work like it used to. You think
"good thing I saved the codeplug before I changed things". You reload the unchanged codeplug.?
That doesn't fix it. It's still broke..? IT'S NOT YOUR FAULT.?? * Just create a new codeplug from scratch, customize it with your parameters and upload it to the TKR. One version did it all.?? Doesn't have to be one computer, just the same version on all the computers. ?
Since I heard about this potential nightmare I always download the codeplug that the radio comes with
(and save it with "-original" at the end of the filename), inspect all the screens, take notes (sometimes I
"print-screen" to a JPEG file), and then I create a new virgin codeplug, customize it, and upload that one.
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Mike WA6ILQ
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开云体育Hey Mike, thanks for all the information. I have KPG 91 on the computer. I used program the repeater so shouldn't have a problem. Thanks.Chad Nelson WI9HF/WRPL979 Janesville Wisconsin 608-754-8671 Send from my spectrum iPhone 16. On Mar 27, 2025, at 2:13?AM, M M via groups.io <wa6ilq@...> wrote:
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