[Alexandria Radio Club Reflector] DMR repeater

[Ed MacDonald]

Heh, I just went on a DMR adventure last evening and this morning.

I upgraded the firmware on my Anytone 878UVII Plus to attempt to fix an issue I’ve been having with it. I restored my cqodeplug (using RT Systems), and it could no longer connect to my hotspot!

So, I opened another cqodeplug using the new version of the manufacturer’s CPS (they recommend updating CPS and firmware at the same time). I got a message to the effect of: “Confirm that TXCC = RXCC for all channels” <yes> <no>. I had no idea what it was talking about, so I clicked “<no>".

Here was the issue:
The latest firmware has separate Color Codes for TX and RX! The manufacturer CPS accounts for that (I had to manually go in and modify all DMR channels because I had selected “<no>”). The real moral of the story here, though, is that RT Systems doesn’t have separate TX/RX fields for CC yet.

I love RT Systems… but, I have at least on data point of evidence suggesting they lag firmware updates a little bit :-)

Also, regarding a DMR programming training class: I’d be happy to participate! In my experience, it would have to be more of a workshop… b/c everyone would have different radios, and each radio would be slightly different. Basically, get everyone in a room with their laptops… and try to get them up and running on DMR.

I’ve found this book useful for general concepts, though: https://www.dxengineering.com/parts/rsg-wwdm

Ie, if you’re wondering “what are timeslots? what are color codes? …” — that book has your answers.

73,
Ed KQ4YGT

> On Apr 9, 2025, at 10:36 PM, Rich Adamy <ka4gfy at gmail.com> wrote:
> 
> Hi Terry,
> 
> I forgot to mention the RT Systems software can be helpful.  Their
> newer software has a DMR calculator built in that can help you pick
> the right parameters.
> 
> Rich Adamy, KA4GFY
> 
> On Wed, Apr 9, 2025 at 9:58 PM Rich Adamy <ka4gfy at gmail.com> wrote:
>> 
>> Hi Terry,
>> 
>> Check out DMRVA.org.  They have codeplugs for some of the more common radios.
>> 
>> Bridgecom has a lot of resources on their website as well.  The folks there are very helpful.
>> 
>> Rich Adamy, KA4GFY
>> 
>> 
>> On Wed, Apr 9, 2025, 21:55 Terry Evans <evanstl at hotmail.com> wrote:
>>> 
>>> Good afternoon,
>>> 
>>>  Will there be any DMR setup classes anytime soon? I just got a DMR radio and would like some help setting it up.
>>> 
>>> Terry
>>> KN9SFG
>>> ________________________________
>>> From: alexandriaradioclub-bounces at mailman.qth.net <alexandriaradioclub-bounces at mailman.qth.net> on behalf of Ian <iann8ik at gmail.com>
>>> Sent: Tuesday, April 8, 2025 21:32
>>> To: W4HFH <alexandriaradioclub at mailman.qth.net>
>>> Cc: Jay Lovelady <jay at fieldcomm.org>; James Kirkham - K4JK <k4jk at arrl.net>
>>> Subject: [Alexandria Radio Club Reflector] DMR repeater
>>> 
>>> Our DMR repeater is temporarily offline while Mike diagnoses an antenna
>>> issue.  We may need to supply an inexpensive diplexer.
>>> 
>>> 73, Ian N8IK
>>> ______________________________________________________________
>>> AlexandriaRadioClub mailing list
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