[TheList] P25 control channels

Sun May 20 10:19:35 AEST 2018

I probably don't need to say there's a lot of demand for it in UK/AU/NZ 
but I would have thought atleast one manufacturer would have bought 
something out by now. Its not like its a closed standard or anything..

I do realize the MCX760/780 and T2000's that were made for Fleetlink are 
well beyond EOL now and you're having to make do with newer Trbo radios.
Motorola probably decided it was low priority because you aren't using 
capacity+ which would be natively supported by the radio (assuming those 
4000's need the GOB to do MPT1327?).

On 20/05/2018 12:01 p.m., DogSecurity - Richard wrote:
> I'm not sure I'd say that Uniden are useless per se, they're just 
> marketing towards their biggest market - America.
>
> MPT1327 never took off in the US, it's an old trunking solution that 
> was big in Europe. It's hard to make something that's going to appeal 
> to maybe 5000 people when p25 unencrypted might appeal to 10 times 
> that number, so why spend time coding for something that's not in 
> their country, and they can't test to see if it even works?
> For example motoTrbo DM4000 series have a known issue on Fleetlink 
> extenders. The firmware is nearly ready for release I'm told, after 
> talking to some acquaintances in the know at Teamtalk, however for the 
> firmware to be written, the coders in Penang need to understand the 
> issue, write firmware to fix, then it has to be sent to here or Aussie 
> for testing, as they don't have a 1327 system to test against, then 
> tweaks need to be made so the process starts again. That on top of 
> language and timezone barriers don't make for a quick fix. It's been a 
> known problem for about 6 months.
>
> Of interest to some is this tier3 system they're going to make should 
> be quite nice when it's complete. it should have better coverage than 
> Fleetlink as eventually as the Fleetlink and Actionet sites are 
> apparently going to all be linked together, and those two separate 
> systems will be slowly phased out.
>
> In saying that, I'm really looking forward to hearing more about the 
> Uniden SDS1000. I sometimes carry around my Icom r5, but something 
> that can RX all bands and do DMR would be handy for work testing as 
> well, although we usually just grab a radio out of the rental fleet 
> and program that up.
> Richard
> ----------------------
> Sent from a mobile device. Please excuse my brevity, punctuation and 
> spelling.
>
> On 18 May 2018 10:50:24 AM NZST, Radio Scanner <rs157950 at gmail.com> 
> wrote:
>
>     You need to first determine if there are trunking systems are in
>     your area. Unfortunately Uniden were too useless to include
>     MPT1327 support in any of their scanners so there isn't a lot of
>     trunking you can listen to with this scanner in NZ.
>
>     If you have scanned around and found some channels with a constant
>     signal that isn't in the 414-420Mhz, 140-144Mhz or 490-500Mhz
>     bands, there's a chance it could be a control channel you can
>     decode using the 396T.
>
>     https://www.sigidwiki.com/ is a good resource as well if you
>     aren't sure exactly what you have found.
>
>     On 16/05/2018 9:50 p.m., Rob Vile wrote:
>>     Better late than never I thought I might have a play around with
>>     trunking....Can anyone give me a heads up on a how to as not
>>     quite sure what the control freqs are or whether im putting it
>>     together right...its on a 396T.  Any help would be appreciated
>>     and if needed I can ring and talk .  Tauranga location Cheers
>>
>>
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>
>
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