[TrunkCom] Rebanding has begun on Motorola trunked systems

Thu Mar 20 20:58:20 EST 2008

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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