[TrunkCom] Rebanding has begun on Motorola trunked systems

David McCormick dmccorm at charter.net
Fri Mar 21 13:37:39 EST 2008


9600 baud P25 systems only need to be reprogrammed and should work fine 
with control channel only.

JERRY NONE wrote:
> You mentioned " 3600 trunked systems " but what about
> the 9600 Trunked Radio Systems? 
>  
> --- David McCormick <dmccorm at charter.net> 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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