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Trunking Control Channel Decoding For discussion of installation, setup, configuration, and use of the Trunker / Unitrunker digital decoding utilities (for decoding Trunking control channels)

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Old 08-16-2009, 08:50 PM
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Default UT and T88 Type IIi Question

OK firstly for the T88 Query- When trying to set it up for an Motorola Type IIi Hybrid, what number do I use? I know 2 is for type II, and what tg numbers do I need, and how do I put in the fleetmap? For UT, when monitoring an Type IIi, how does one get it to display the proper Type I tg's, and what does it mean when it shows a call for an tg that is impossible to be a tg... Such as 65536? If it will help will do some screen shots of the UT issue...
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Old 08-16-2009, 09:20 PM
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Originally Posted by milf View Post
OK firstly for the T88 Query- When trying to set it up for an Motorola Type IIi Hybrid, what number do I use? I know 2 is for type II, and what tg numbers do I need, and how do I put in the fleetmap? For UT, when monitoring an Type IIi, how does one get it to display the proper Type I tg's, and what does it mean when it shows a call for an tg that is impossible to be a tg... Such as 65536? If it will help will do some screen shots of the UT issue...
ID 65536 is not an actual talkgroup. The program uses that ID to indicate a CW ID transmission.

For Type I size code assignments, check the Info tab of the system window.
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Old 08-17-2009, 09:33 AM
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For the Type 1 block assignments you have to first analize the groupings of RID's to determine who goes with who. There is a spread sheet originally made by Greg Hahn (?) that would help you in that task. Email me with your Email address that actually allows attachments and I will send it to you.
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Old 08-18-2009, 08:49 PM
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OK firstly for the T88 Query- When trying to set it up for an Motorola Type IIi Hybrid, what number do I use?
From the built in help (displayed when you press the Ctrl-H hotkey):

[ System Type ]
This parameter tells TRUNK88 what type of system it is monitoring. This setting is required because various OSW sequences mean different things on different types of systems. Valid System Type values are: 1:Type I 8OO MHz system, 2:Type II 8OO MHz system, 4:Hybrid or IIi 8OO MHz system, 8:9OO MHz system, 16:VHF and UHF systems.

A value of 31 can be used as a default (in Edit Defaults) when searching for new systems, however the correct value should be set (using System/Edit Settings) for each system found.


So you want System Type = 4.


Quote:
how do I put in the fleetmap?
Again, from the built in help:

[ Fleetmap ]
Fleetmaps are only used with 8OO MHz Type I or IIi/Hybrid systems; e.g. systems with Type I radios and talkgroups. Fleetmaps are not required on 8OO MHz Type II systems, 9OO MHz, VHF or UHF systems.

Fleetmaps divide a system's address space into eight blocks (block O through block 7); each block covers 8192 ID's and each block is assigned a size code which defines how ID's in that block are interpreted.

Motorola uses 14 different size codes (A,B,C,D,E,F,G,H,I,J,K,M,O and Q) and they are the codes that TRUNK88 uses. Note that Trunker deviates from these: Trunker codes L/M/N = Motorola codes M/O/P.

Fleetmap strings are entered as "range=code,range=code,..."; ranges are specified as a single block code ("BO" through "B7") or as a hexadecimal range ("xxxx-yyyy"), so to define blocks 6 and 7 as using size code D, use B6=D,B7=D or COOO-FFFF=D. Some mixed systems only use part of a block for Type I ID's; to use size code A for the first half of block 2, use 4OOO-4FFF=A.

Size code zero is often used to represent Type II blocks; you do not need to enter any fleetmap data for these blocks.


If the system's fleetmap is already known and listed on RR, you can go from there.
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