Videos demonstrating PLT's effect

Want to see some video nasties? Watch these videos of PLT in operation and what it does to radio.

Mike Trodd from UKQRM

Mike Trodd, founder of UKQRM was the first to put PLT and the interference to the HF radio spectrum together. Here are his videos demonstrating the effects.

A UKQRM video showing the severe interference to short wave radio caused by a BT Home Hub and BT Vision power line adaptor installation!
UKQRM video update.
In this video we try to cram in as much as possible in the short time allowed. I purchased a set of Comtrend powerline adaptors from eBay for £30. This was an X BT Vision set. We have a look and listen to the adaptors and test to see how effective or not the notches are (US ham bands only). We see the first UKQRM 'How to' featuring home brew DF for PLT hunting. Finally we have a look inside the adaptors and get the latest update from UKQRM and its efforts to save shortwave radio. Note, at no time was the simple wire antenna closer than 15 feet to the house!
Answering your questions about Shortwave radio or World Band Radio and the terrible interference caused by Power Line Transmissions, Power Line Adaptors or Power Line Ethernet. This is the UKQRM Press Release read for you by Norlei. Put simply in a non-technical way.

John Petters (G3YPZ)

John Petters (G3YPZ), Radio Amateur and Jazz musician, spent considerable time and effort with fellow Radio Amateur Ron to produce some startling results. In these videos, they prove that PLT is capable of operating as a radio system by the miraculous magic known as electromagnetic induction. When John challenged Ofcom about this fact, their response was to "seek legal advice". Funny, we thought that is what they are for?!

Belkin, Devolo & Comtrend Powerline Adaptors are transmitters Part 1.
Belkin, Devolo & Comtrend Powerline Adaptors are transmitters Part 2
Devolo dLan 200 AVplus Powerline adaptors transmitting wirelessly.
Belkin Gigabit HD PLAs Tested Against s116 of the Wireless Telegraphy Act.
Belkin Gigabit HD PLAs Tested Against s116 of the Wireless Telegraphy Act - Part 2.
Belkin Gigabit HD PLAs shutting down in the presence of RF fields. EMC Regs 2006 4(2)b.
Belkin Gigabit HD Powerline Adaptors wiping out DAB Radio.
Belkin Gigabit Powerline Adaptors interfering with Ambulance & ILS frequencies.

Nidge G0NIG

Radio Amateur, Nidge G0NIG, demonstrates the destructive power of two UPA-style Comtrend PG902 PLT units on the shortwave broadcast bands.


Nigel G7CNF

Radio Amateur, Nigel G7CNF, demonstrates HPA-based PLT wiping out shortwave broadcast radio ...

... and DAB radio.

How to create a PLT network between your house and your neighbour's - proving the signal does not stop at the fuse-board or meter.


PLT interference to Citizens' Band

Power Line Technology (PLT) wideband interference obliterating 25 to 30MHz; including allocations for Radio Astronomy, Maritime Mobile, the CEPT Citizens' Band, the UK Citizens' Band and 10 metre Amateur Radio (which includes Meteorological aids (sondes) and Amateur satellite). An S9 signal level is a received signal strength of -73dBm in a 50 Ohm system. The external signal meter show in this video is calibrated to S9 via a Marconi Instruments 2955 Radio Test Set. The radio was configured to listen on the Russian CB frequency allocation to demonstrate the extent of the problem.
PLT wiping out the HF radio spectrum used by Citizens' Band.
PLT wiping out the HF radio spectrum used by Citizens' Band.

Broadband over Power Line in Australia

Are you ready for BPL in your neighbourhood?
Broadband over Power Line trials in North Hobart, Australia, are wiping out the HF radio spectrum!

Broadband over Power Line in the United States

BPL UNREDACTED: ARRL's Dave Sumner reviews redacted FCC info on BPL interference.
The truth about Broadband over Power Lines - BPL.

WIMO QRM Eliminator demo - LX3KR

WIMO QRM Eliminator demonstration.

Page updated: 14th February 2014

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