data on 49.450

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data on 49.450

Postby jimgb17 » Fri Feb 23, 2018 5:58 pm

Hi all i was wondering what this data sound is and if it can be decoded?
I have recorded this via sdr#
https://soundcloud.com/user-545528533/recording
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Re: data on 49.450

Postby jimgb17 » Fri Feb 23, 2018 6:12 pm

Also Just heard other data noises some are verry strong 60db+

heard is a strong signal i heard on 49.075

https://soundcloud.com/user-545528533/radio-data-on-49025
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Re: data on 49.450

Postby thelad » Fri Feb 23, 2018 7:15 pm

Think its a pager.
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Re: data on 49.450

Postby G4RMT » Fri Feb 23, 2018 7:17 pm

First one is an old fashioned pager, and the second probably a digital version - not so sure on the type. However, loads of devices using digital streams use that band - even remote control devices like model aircraft and stuff.
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Re: data on 49.450

Postby m0lsx » Fri Feb 23, 2018 9:42 pm

Lots of frequencies in that area are using the Simple Site licence. So a few £'s per 5 years for a site only licence.
Buy a database from Kimmy JS19 via http://ukscanningdirectory.co.uk/
Or do Google search of this forum via http://www.google.com/cse/home?cx=partner-pub-6291336405621919:2662881632
73 De Alan (M0LSX.)
http://www.qrz.com/db/M0LSX"
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Re: data on 49.450

Postby AndrewIrvine » Sat Feb 24, 2018 10:38 pm

The pager I use in the care home uses that, it's just a data burst from the button box pressed by the person needing help, picked up by a relay in the duty room which fires the signal back out with more power.
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Re: data on 49.450

Postby jimgb17 » Sat Feb 24, 2018 10:55 pm

Its a Local Hospital Pager on 49.450
I hard voice on it tonight saying report to resus its a verry srong signal...
Thanks again :smiles:
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Re: data on 49.450

Postby aRBemo » Sun Apr 29, 2018 12:01 pm

It is a pocsag/flex pager, they are still used as in rural areas as mobile reception is not reliable enough. I decode these on my NooElec NESDR Smart and you can witness data from all over the UK, there are about 10 frequencies in use on 136-154Mhz (18 channels) and 454-470Mhz (8 channels). I have details for both Windows and Linux decoders if interested.
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