[TrunkCom] Rebanding has begun on Motorola trunked systems

David McCormick dmccorm at charter.net
Thu Mar 20 21:14:27 EST 2008 

Again, the MPSCS system is a true P25 system and will work fine with the 
PRO96/2096, BCD396T/BCD996T, PSR-500/600, BC296D/BC796D.
Only Motorola systems that are analog or mixed mode are a problem.

Jeff Kenyon wrote:
> MPSCS is 9600 and I thought we were all set with those when it comes to
> trunktracking with the 96?
>
>
>
>
>
> On Thu, 20 Mar 2008, David McCormick wrote:
>
>   
>> Hi Jeff,
>>
>> No, there have not been any firmware updates for rebanding to date for
>> the PRO-96/2096 and only the DSP can be firmware flashed. If a CPU
>> firmware was required, a trip to the service center would need to be
>> made for a logic and display board replacement. That is, if Radio Shack
>> would support such an upgrade. This is the reason that the custom
>> frequency tables were added to the original firmware.
>>
>> If your talking about MPSCS rebanding, some of the sites do show up in
>> the FCC database under YE with new frequencies, however nothing has
>> happened yet. Keep in mind true P25 systems are implicit should be able
>> to be tracked without a firmware upgrade, because the site frequencies
>> are populated via the control channel, so the newer trunking scanners
>> can populate the frequency table from the control channel data.
>> http://www.aeroflex.com/products/commtest/pmr/appnotes/P25ControlChannelFunctions.pdf
>>
>> In rebanding, only the Motorola analog and mixed mode systems (3600 baud
>> systems) are a problem for trunking scanners. EDACS and LTR systems only
>> need to be reprogrammed for the correct Logical Channel Number and will
>> continue to work in all trunking scanners. P25 9600 baud systems are as
>> I described above.
>>
>> Jeff Kenyon wrote:
>>     
>>> Isn't there a firmware update to the Pro-96 for rebanding, and what is the
>>> status of it in Michigan?
>>>
>>>
>>>
>>>
>>>
>>> On Thu, 20 Mar 2008, David McCormick wrote:
>>>
>>>
>>>       
>>>> Some rebanding developments have been made by Wayne H.:
>>>>
>>>> Radio Shack Trunking Scanners with programmable tables:
>>>>
>>>> Here is the table to program:
>>>>
>>>> ChLO ChHI Step Offset Base
>>>>
>>>> 440 559 25.000 440 851.025000
>>>>
>>>> 000 719 25.000 0 851.012500
>>>>
>>>> 720 759 25.000 0 848.000000
>>>>
>>>> 815 831 25.000 0 846.625000
>>>>
>>>> 958 958 25.000 958 868.975000
>>>>
>>>> 961 1022 25.000 0 843.400000
>>>>
>>>> This is meant to support systems whether they are in the process of
>>>> transitioning from 866MHz freqs or have already switched over and only
>>>> use 850MHz frequencies. The two systems which have been mentioned in
>>>> other threads on RadioReference (Alabama and Vacaville, California) have
>>>> made complete transitions. Vacaville specifically was using 866 and
>>>> immediately moved off them to the 850MHz freqs.
>>>>
>>>> To simplify programming, if your system has rebanded and does NOT use
>>>> any frequencies above 862MHz you only need to program the two ranges below.
>>>>
>>>> ChLO ChHI Step Offset Base
>>>>
>>>> 440 559 25.000 440 851.025000
>>>>
>>>> 000 719 25.000 0 851.012500
>>>>
>>>> GRE America Trunking Scanners:
>>>>
>>>> The GRE scanners will support rebanded Motorola 3600 trunked systems.
>>>> This is done by setting up a custom table for the system object
>>>> ("TSYS"). I believe there are certain GRE models that do not have
>>>> programmable custom tables (100 and 200?) so unfortunately this solution
>>>> may not work for you. If someone can provide more information I'll
>>>> update my post accordingly.
>>>>
>>>> To update the custom tables for the GRE radios you need to navigate to
>>>> the system object. To get there via a TG hit PGM, EDIT, CURR, down arrow
>>>> once to select the TSYS, ENT, press FUNC then down arrow to jump to the
>>>> bottom, arrow up once to highlight "T Tables", use left or right arrow
>>>> to choose "Custom", and then ENT. You now will have access to each line
>>>> of the custom table where you'll input the information given in the
>>>> linked thread above. Press SEL and then type in the values. Make sure
>>>> they are done in order. When complete press "Save" each time to make
>>>> sure each stage is properly stored. Now you're ready to go!
>>>>
>>>> Please post programming questions in this forum. To help others, do not
>>>> PM me with questions. Thank you.
>>>>
>>>> Uniden scanners:
>>>>
>>>> You will need to wait for a firmware upgrade if they provide one for
>>>> your specific model. These models do not currently support custom tables.
>>>>
>>>>  >Pass the word, at least two systems have been discovered to be using
>>>> newly rebanded frequencies and no longer are being trunk scanned
>>>> correctly using the current trunking scanners.
>>>>
>>>>         
>>>>>> Albertville, Alabama:
>>>>>> http://www.radioreference.com/apps/db/?sid=1462
>>>>>> Vacaville, CA:
>>>>>> http://www.radioreference.com/apps/db/?sid=778
>>>>>>
>>>>>> Please report in to Raioreference if you are seeing
>>>>>> this on your local
>>>>>> Motorola analog or mixed mode system:
>>>>>>
>>>>>>
>>>>>>
>>>>>>             
>>>>> http://www.radioreference.com/forums/showthread.php?t=100058
>>>>>
>>>>>
>>>>>           
>>>>>> If you can log the system using UniTrunker or
>>>>>> Trunker it would also be
>>>>>> helpful to the cause.
>>>>>>
>>>>>> Here are some resources:
>>>>>> http://wiki.radioreference.com/index.php/Rebanding
>>>>>> http://www.radioreference.com/apps/db/
>>>>>> http://www.800ta.org/content/800Mhz/call_sign.asp
>>>>>>
>>>>>>
>>>>>>
>>>>>>             
>>>>> http://wiki.radioreference.com/index...Radio_Decoders
>>>>>
>>>>>
>>>>> <http://wiki.radioreference.com/index.php/Trunked_Radio_Decoders>
>>>>>
>>>>> ______________________________________________________________
>>>>>
>>>>>
>>>>>           
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>>>>>>
>>>>>>             
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