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Shortwave radio QRM Interference

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Uploaded by on Jul 4, 2008

Think its wrong?
sign here:
http://epetitions.direct.gov.uk/petitions/14459

BT (British Telecom) in the UK are supplying equipment that jams the shortwave radio spectrum.
Join us at http://groups.yahoo.com/group/UKQRM/
For information.
This equipment is power line adaptors by Comtrend

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Uploader Comments (mikesndbs)

  • JOIN !!!!!!!!!!! Go to facebook and search:Movement against the unnecessary pollution of our radio spectrum.

  • @truirf I did that and did not find anything, just look for UKQRM there or on google as well as the ban plt web site. Thanks

  • Please note that its not just Comtrend adaptors that cause this problem!

    Check out the dreadful interference caused by Belkin adaptors, even to DAB, FM broadcast and aircraft VHF!

  • the fcc would have never gave itthe go ahead if it did it over that range of frequencys. besides i heard those kindofs signals since the 80s on hamradio it could be something else and they are just tryign to place the blame on bpl

  • Hi I am afraid the FCC has no jurisdiction here in the UK, plus I am sorry to say that they have been proved lacking by the US amateurs! Please check out UKQRM to see just how bad this has all become, I know it seems impossible but its happened.

  • This whole concept is farcical. Where's the evidence that this actually blocks other signals anyway, even if it does it must be possible to filter it. And communications technology improves dramatically, these signals will reduce to noting in a few years, and if your that bothered just go to an unpopulated area to do your SW radio thing, or stick up a big arial, or move into the 21st century and use the internet. Some people have too much time on their hands. (like me, haha)

  • Oh dear what a twat!

Top Comments

  • Obvious question: Why use the 2- 30 Mhz bands? That is just insane. In fact, this kind of technology could make a positive contribution to pioneering largely unused extremely high frequencies without jamming us shortwave and ham operators. Seems obvious to me, unless there is something going on behind the scenes.

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All Comments (31)

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  • German

  • @prototype9000

    you sir are some kind of fool a simple test buy some PLA Devices switch them on and Listen to an AM Broadcast from 2-30 mhz. If you are still of the same opinion that these devices dont cause Interferance then sir i will admit the Earth FLAT

  • this gives you the SAME ammount of freedome to watch your shows or blast your mp3's into another room as does that device you showed, called a BT device. i'd advise you to please change bands while you still can before the FCC gets you and has you jailed for radio jamming. this is ONLY advice from a very experianced ham radio operator, thanks, seventy threes

  • jamming is illegal in the u.s. and is out lawed in most other regions as well, IF YOU ARE CAUGHT, watch out, you MAY be receiving a fine from YOUR LOCAL FCC GROUP! it's illegal, and you should return the device to it's manufacturer, and nolonger use it. i use a net gear router, and it doesnt even BOTHER the HF bands. if you are going to use anything, i'd use the 900 MHZ band and a device called TV-LINK. one box is installed on your tv or main vcr box, and the other can be install elsewyhere

  • I just traced my steady S9 QRM on 80 and 40m to the 3.3v switching supply supplied with my Buffalo WHR-G54S. Hoping I can quench it at the source with split RFI ferrites. Really annoying. >:-(

  • Fight fire with fire!

  • I don't understand why they would use frequencies that low. Why not just use the common part 15 frequencies such as 2.4ghz that is designed for high bandwidth

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