Mystery QRM Signals in Australia:
from
WIA Victoria
on
June 26, 2005
Website:
http://www.amateurradio.com.au
View comments about this article!
Mystery QRM signals
In Australia two very strong pulse signals are appearing on HF amateur bands and the hunt is on to determine the source of these intruders.
A radar like pulse which peaks at 10dB over signal strength 9, and reported to be up 100kHz wide is being heard regularly 7020-7080 kHz in the (VK) mornings and 3590-3800 kHz in the (VK) evenings.
Reports from VK and ZL point to it being north-west of Australia. JA's and W's during QSOs with VK also say they can detect the signal but at a lower strength.
It's an unwelcome reminder of the havoc caused by the over-the-horizon radar dubbed the Russian Woodpecker that fired up in 1976 and lasted a decade. Hopefully this latest pulse signal is not another OTHR.
A repetitive cyclic sounding pulse signal is also being experienced in VK on most amateur HF bands and often simultaneously on more than one band.
An inquiry by the Wireless Institute of Australia (WIA) has received assurances that neither the (JORN) Jindalee over-the-horizon Defence radar in central Australia or a new SECAR system in the Torres Strait north of Queensland are to blame.
The (SECAR) Surface wave Extended Coastal Area Radar has begun trials. It
will enhance the monitoring ability for Defence and Customs to detect
illegal fishing and immigration. It could also be developed to provide early storm warnings.
With JORN and SECAR being given alibis, the WIA's Intruder Watch intruders@wia.org.au is now seeking reports from radio amateurs on the harmful interference.
In particular it needs directional information and reported incidents of these intruders disrupting QSOs and causing harmful interference. The WIA will then take the matter up with the Australian Communications Authority for its investigation.
- Amateur Radio Victoria
amateurradio.com.au
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Mystery QRM Signals in Australia:
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by KE4ZHN on June 28, 2005
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Mail this to a friend!
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Sounds like it could be China, or perhaps North Korea using OTHR. Good luck in the search, but if it is coming from one of those countries, good luck getting them to stop it.
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RE: Mystery QRM Signals in Australia:
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by W9WHE-II on June 29, 2005
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Mail this to a friend!
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Oh come on!
The almighty ARRL has the power and abillity to influence Kim Jong IL and others. I'm sure that one letter from the ARRL and the operators will cower in fear! They will not only instantly shut the system down, but formally appologize!
Don't think so? Look at how effective ARRL has been with Congress!
W9WHE
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RE: Mystery QRM Signals in Australia:
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by W9WHE-II on July 1, 2005
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Mail this to a friend!
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Its a covert plan by Howard Dean and his Liberal coherts to try engage in mind control. He will experiment in Austraila first, and if successful, he will bring his mind control device to the US to effect the next US election!
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Guys this is serious
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by N0TONE on July 7, 2005
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C'mon, guys. With all the "sky is falling" posts, here's, finally, something that is worth doing something about. Governments in various parts of the world have started using sea-surface radar, believing that nobody is actually using those frequencies. If you are at all an active user of the lower end of 40 meters - anywhere in the world - you find it annoying as anything. Even on an indoor antenna, I find it to be S5 at night.
What can you do? It's as easy as posting on the internet (you're already able to do that if you can read this.). Go listen to the thing. In case you don't understand CW, don't worry. Go to 7.000 MHz and listen. Usually pretty quiet, but often you'll hear a few CW stations, since most radios use USB to receive CW. Now tune to about 7.040 to 7.060 and notice the increase in noise level - sort of a "raspy" noise, nothing like the old Russian Woodpecker (for those old enough to remember). That's the new radar.
Now, go to one of the internet DX spotting databases like http://oh2aq.kolumbus.com/dxs/ and look for "enter spot" or "post a spot" or something similar.
For "reporting station" use your callsign. For "DX station" enter RADAR or HASH or NOISE. In comments, you should write "LOUD" or "S9" or "can't hear through it". Make SURE that you're making this posting when you can actually hear it, and it really is loud, or whatever you're saying. The DX networks are searchable, and those who care can then later see when and where it was heard.
If this new radar is allowed to operate without hams complaining, then this is EXACTLY the evidence that governments need, in order to decide that ham radio frequencies need not be protected, and our complaints about BPL are just so much whining.
I've been hearing this thing for over a year. I thought it was one or another appliances at my own QTH, but the more I see that others are hearing it, the more I realize that it's a genuine threat, and we NEED TO MAKE NOISE!!!
AM
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