2020 Wish List
Tuesday, December 31, 2019
By the time this post hits the internet, I should be in my new home. Among many other things, it means I will have my own area where I ca...
MOTOTRBO: Capacity Max Site-Wide, Multi-Site, and System Wide All Call
Tuesday, December 24, 2019
Capacity Max supports a voice site-wide, multi-site and system wide All Call . When a radio user or dispatcher makes a Site-Wide All C...
TETRA: What is Multi Slot and Dynamic Packet Data?
Friday, December 20, 2019
Multi Slot Packet Data (MSPD) is a TETRA feature that tncreases data throughput for radio users, allowing the radio to use up to 4 times...
Fundamentals: Working out ERP
Tuesday, December 17, 2019
Image: Marco Verch CC BY 2.0 I got asked this question on Facebook the other day and the answer was too long to type in the comments. ...
TETRA: Common Secondary Control Channel
Thursday, December 12, 2019
Common Secondary Control Channel (C-SCCH) is a feature in Motorola Dimetra (TETRA) systems that allow the Control Channel bandwidth to be...
MOTOTRBO: Broadcast Talkgroup Call
Tuesday, December 10, 2019
In Capacity Max, talkgroups can also be configured as Broadcast Talkgroup Calls . This feature is useful for making an announcement to ...
Analogue: What is flat audio and emphasis?
Tuesday, November 26, 2019
In the early days of two-way radio, it was discovered that it is possible to reduce the RF bandwidth required, yet transmit readable voic...
TETRA: Can you increase the capacity of a MTS1?
Thursday, November 21, 2019
The MTS1 is a self-contained; small form factor, rugged TETRA base station that can be installed indoors or outdoors (IP66); on a pole or ...
Whats happening here?
Tuesday, November 19, 2019
The above diagram (not to scale) shows a simple radio system, consisting of a repeater located on top of a building (X) and several portab...
MOTOTRBO: Some tips to solve OTAP problems
Tuesday, November 12, 2019
Please refer to this document .
This simple "trick" can solve an unusual problem.
Tuesday, November 05, 2019
When a MOTOTRBO radio behaves abnormally, it's sometimes difficult to determine whether there is a hardware or configuration problem....
MOTOTRBO: TLS-PSK programming for added security
Tuesday, October 22, 2019
Adding the PSK to a radio in CPS/RM This feature provides additional data security on the USB or IP link, between a radio or repeater an...
MOTOTRBO: Radio Management Device Discovery Server Name and Wi-Fi.
Tuesday, October 15, 2019
Radio Management Device Programmer version 2.21.61.0 is able to discover Wi-Fi enabled radios which are not in the same Wi-Fi network s...
Dimetra: Critical Site Assignment and Requested Sites Assignment
Thursday, October 10, 2019
Critical Site Assignment is a feature in Dimetra that supplements group call in that it is possible to create a list of Critical Sites f...
MOTOTRBO: MNIS now supports connection to multiple systems
Tuesday, October 08, 2019
Adding multiple Capacity Plus and Conventional Domains are now possible in MNIS. In R02.105.0011, a single MNIS instance supports connec...
Dimetra: All Start and Fast Start
Thursday, October 03, 2019
All Start and Fast Start are two features in Dimetra Express that supplements group calls. With Fast Start, a multi-site call will be s...
MOTOTRBO: Exit Broadcast Call Enhancement in R2.10.5
Tuesday, October 01, 2019
As of R2.10.5, a MOTOTRBO radio operating on a Capacity Max system can exit Broadcast Calls to monitor important talkgroup calls. Norma...
MOTOTRBO: Capacity Max Site Restriction via Talkgroup Authentication
Tuesday, September 24, 2019
As of R2.10.5, a Capacity Max system can optionally be configured to deny a registration request of a radio, when the selected talkgroup...
What's inside a MTS2?
Friday, September 13, 2019
A little story When I was a kid, my parents had a hard time buying me stuff that ran on electricity. My grandfather once bought me a po...
Share the love
Wednesday, September 11, 2019
Short 'n Sharp: Sometimes it's difficult to illustrate the value of what I do here when talking to people. I can show them Goog...
Trunked system misbehaving? Here's another possible cause, maybe
Wednesday, August 28, 2019
The coverage area of any radio site is determined by a number of factors. Technical folk and system owners mistakenly take the outbound c...
MOTOTRBO: What does MNIS do?
Monday, August 12, 2019
MNIS (MOTOTRBO Network Interface Service) is a Windows service application which supports data between PC-based applications and MOTOTRB...
Trunked system misbehaving? Here's one reason why, maybe.
Tuesday, July 30, 2019
A Capacity Max (DMR Tier 3) system uses a control channel to process calls and other traffic on a site. The control channel also has anot...
MOTOTRBO: What does DDMS do?
Tuesday, July 16, 2019
Device Discovery and Mobility Service (DDMS) is a Windows application that runs as a service (i.e. it starts automatically when Windows ...
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UPDATE (28.05.19) The below is only applicable to CPS 16.0 and earlier. CPS2 has different error codes that are in form of 100XXXX w... -
[Q] I've updated to the latest CPS2, 2.146.122. This was the only way I was able to read/write to some newer radios that came through o... -
Pulling pin 17 to ground will activate PTT function, activating the auxillary microphone input. Receive Audio is a fixed level (in... -
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My name is Wayne Holmes (Ham Callsign DJ0WH). To discover a bit about me and what I do, click here.
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