Greater Manchester Fire and Rescue Service

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Re: Greater Manchester Fire and Rescue Service

Postby mark99 » Sun Aug 06, 2017 1:14 pm

After Grenfell it looks like DMR is dead for fire ground.
Comms were impossible and analogue sets had to be rushed to the scene to restore comms.
DMR works where one person is talking at once, on big jobs with panic calls the benefits of DMR are outweighed by cross coms wipeouts.
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Re: Greater Manchester Fire and Rescue Service

Postby Metradio » Sun Aug 06, 2017 2:58 pm

99% of DMR portables are analogue as well !! No need to call for different radios, they just change channels..
This works well for the Fire Service, when working with a brigade with DMR fireground radios they use DMR channels, when working with analogue equiped service they use analogue channels..

Where did you get your info from ??

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Re: Greater Manchester Fire and Rescue Service

Postby thelad » Sun Aug 06, 2017 3:53 pm

Where did they "rush" these analogue sets from? A hire shop? Radio issues were in the list of problems that the press said effected the rescue.
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Re: Greater Manchester Fire and Rescue Service

Postby Metradio » Sun Aug 06, 2017 4:19 pm

Ah, the press..

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Re: Greater Manchester Fire and Rescue Service

Postby thelad » Sun Aug 06, 2017 4:45 pm

It did not however say it was down to DMR fireground radios.
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Re: Greater Manchester Fire and Rescue Service

Postby Minus1 » Mon Aug 07, 2017 8:18 am

This document from GMFRS in Sept 2013 says Lancashire have DMR radios but "Lancashire can switch to analogue if required when they enter our service area"
http://gmfrs.biz/documents/s50001099/13 ... %20PRP.pdf

This document about Fireground radios from Sept 2015 says that GMFRS have "several hilltop sites to give greater coverage".
http://authority.manchesterfire.gov.uk/ ... %20ASS.pdf
I reserve the right to ignore people who have made no attempt to the read the manual, and expect others to do it for them.
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Re: Greater Manchester Fire and Rescue Service

Postby Snapey75 » Mon Aug 07, 2017 11:37 am

http://www.manchestereveningnews.co.uk/ ... os-8904883

Just founder this article from the Manchester evening news from 2015 about there new radio problems. BA problems and feedback issues.

Neil
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Re: Greater Manchester Fire and Rescue Service

Postby Metradio » Mon Aug 07, 2017 12:33 pm

Snapey75 wrote:http://www.manchestereveningnews.co.uk/news/manchester-firefighters-claim-new-radios-8904883

Just founder this article from the Manchester evening news from 2015 about there new radio problems. BA problems and feedback issues.

Neil


Are their problems resolved now ??

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Re: Greater Manchester Fire and Rescue Service

Postby philthespark » Thu Mar 22, 2018 7:20 pm

Apologies for resurrecting an old thread, but I have a friend who used to install comms gear for the emergency services, he used to do the big masts, and we were discussing this very subject recently.
He informed me of several interesting facts regarding the new radio network, apparently one of the big things behind the tetra stuff, apart from the obvious fact that it was more secure, was the ability to "link" all the services as and when needed, normally the fire service, police, and ambulance, together with others such as Mountain rescue, coastguard and highways agency operate on their own set of channels. If there is an incident requiring a multi-agency response they can all "meet up" on a designated channel for that particular incident, whilst still maintaining comms with their own base.
Another thing is they also have access to the mobile phone network and can if needed restrict access to certain masts.all cellular traffic gets routed by the closest mast, however, if you get say a major accident on a motorway, there may be so many people calling it in that the mast gets swamped and this can prevent calls getting through to important people, you've probably all at some stage tried to make a call and you get a "network busy" message, this is what happens when a particular "cell" gets overloaded. Now as well as being able to effectively restrict the cell local to the incident to their own phones, you can also get put on a list so that if a mast does get restricted, you can still make and receive calls, this is usually for the likes of community first responders, or BASICS doctors, so they can still function at the incident.
Some years ago before TETRA came in, I was involved with the emergency services as an incident support officer, it was terrible on a big job. We had a mobile command centre and we used to have to get a member of each emergency service around a desk so we could communicate, If we were at one side of an incident and we had trouble with a crowd, we'd have to contact our man in the command centre, tell him we needed the police to move people at location X, he'd relay the message to a constable who was sat beside him, he'd radio his men in the field and hopefully some officers would come and move the crowd back, sometimes it worked, sometimes it didn't. Now with everyone at the same incident operating on the same group mode, everyone can hear what's happening, so if say there's a flashover on a fire. and there's a good likelihood there'll be injuries, thw moment the fireman calls out they've had a flashover at point Y, the medics can be already heading over there before they are actually asked for, it all saves time.
I live not far from a major motorway junction, and usually, if I get a "network busy" message on my phone, I can guarantee that not long after if I look on the highways agency site, it will mention an incident on the network local to me.
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Re: Greater Manchester Fire and Rescue Service

Postby Minus1 » Fri Mar 23, 2018 9:35 am

The only benefit I can see to using digital is that it avoids idiots (and their kids) who've bought US FRS radios (esp FRS/GMRS channels 2 and 4), that can interfere with fire service repeaters (channels 2 and 5).
Of course if OFCOM had not been so clueless as to allocate those freqs to the fire service, it wouldn't be a problem :rolleyes:

The problem could easily be avoided by assigning a few of the hundreds of virtually unused frequencies in UHF military bands to the fire service (including the MoD fire service!). Sadly that would require a degree of gumption that is conspicuous by it's absence.
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