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#21
June 17th 10, 07:50 PM
posted to rec.radio.amateur.boatanchors
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Noisy neigborhood and HQ-129-x
On 06/17/2010 03:05 AM, Richard Knoppow wrote:
"Bill wrote in message ... On 06/08/2010 07:10 AM, Scott Dorsey wrote: Bill wrote: Sounds almost like work. The noise is worst at the lower frequencies but still wreaks havoc with me even getting WWV at 10 MHz. There is one permanent spike at the peaks of the power line, so it is something that is being rectified, and the rest just seem random in nature. I thought it might have been SCR noise but it doesn't follow any kind of logical pattern. The Hammarlund's noise limiter chops the main spike but thinks the rest is a legitimate signal. This can be just about anything, including SCRs, switching supplies, and arcing. All you can do, once you have established that it isn't your house, is to get a handheld AM radio and use the loopstick to try and DF it. The problem is that the junk gets into power lines and then radiates from there, so it can seem to be coming from everywhere at times. It's amazing how much trash one touch lamp can put out. --scott Well, I do have a marine RDF, but I can't find it under my piles of stuff, radios, car parts, more 'stuff'. When I find it I will be out looking around. Bill Its salutary for collectors of stuff to read about the Collyer brothers. A good account can be found at: http://en.wikipedia.org/wiki/Collyer_brothers Electrical noise is a PITA in spades, doubled. -- Richard Knoppow Los Angeles WB6KBL Wow. I can't top that. That was a bit of an amazing story though. I have lot of turn of the century National Geographics but nowhere near what they did. There are a lot of radio parts, lots of books, both mine and my daughters. Probably half of what I have is of no value, but I do have some vintage test equipment and some older radios of the tube type. Bill Baka |
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