"Once you go federal law on someone who knows it's a toothless letter, you are done. No options are left to resolve the problem. While you may be technically correct it's not our monkey, not our circ
to source Most all of the little 315 MHz garbage TX and RX have a SAW (surface acoustic wave) filter on the board. Looks like an old flat metal can transistor. They are a few tens of cents on ebay,
Canada has an ISM band around 6.8 or 6.9. Kurt _______________________________________________ RFI mailing list RFI@contesting.com http://lists.contesting.com/mailman/listinfo/rfi
What about things with batteries and UPS's? You could be out in BFE, 30 miles from everything, plagued by noise, kill the power, even tear out the wires, still have noise. I have tracked it to shut
So, all that and more, but not anything about AC mains... Got it! Kurt _______________________________________________ RFI mailing list RFI@contesting.com http://lists.contesting.com/mailman/listinf
"However, I have run into at least one instance where a "ground" wire (which was connected to a PLASTIC water pipe !!!!)" served by a 220VAC 200A service with no neutral. The neutral common to the tw
Fortunately, there's about 130 years worth of transformers laying about and with the new standards, they will be free so we should be good for a millennia or so. Kurt _______________________________
"It is interesting that they warn you about that... but a company making a radio should at least try to choose a wart that is quiet." Years ago a local OM got his tech ticket. he wanted an HT like mi
Did you have them swap them back before they left since the fix didn't work? How about ferrites with the less noisy parts? The new stuff may be so bad ferrite doesn't work. Kurt _____________________
I had RFI from a computer installation in a basement to an antenna 135' away rendering HF useless. I determined it was coming from the wiring. I wrapped chokes (loops of wire, as done since the 1800'
"The reality is, we suddenly have FCC action possibly for the first time on this issue. That doesn't really fit your narrative. Perhaps they avoided this before this year for some other reason? Like
"In short, you need to explain how poor environments cost them money." That should be super easy, just compare it to anything else in the world they used to like before it turned to crap... Kurt ____
home was the water inside a 110' run of 1.25" PVC pipe back to the well casing. Kurt _______________________________________________ RFI mailing list RFI@contesting.com http://lists.contesting.com/m
"IOW, you were borrowing the neutral of a neighbor - someone else who was on the same pole transformer. How did you find the missing neutral problem?" Numerous issues over the years led to it. No gro
902-928 MHz is license free in the US and has been filling with gadgets for a couple of decades, nearly worthless now with the congestion, could be any one of many millions of devices sold in the US
The band exists so that they can (and many other ISDM bands), we are also allowed to use them. In exchange for the bands, they aren't everywhere else, but some, like 70 cm, 900 MHz, 2.4 GHz, 5.8 GHz
"That's also why automobile keyfobs don't have much range in a store parking lot when you try to lock the doors....or unlock. Also a lot of X band radar watching you....." Those typically operate bet
My mistake regarding keyfob remotes for alarms in this range from that time, I was thinking garage door openers, NOT remotes for alarms. At that time, some systems were around 150 - 275 KHz (I have
"https://www.reuters.com/article/us-at-t-internet/att-begins-testing-high-speed-internet-over-power-lines-idUSKBN1E70GB" Kurt _______________________________________________ RFI mailing list RFI@cont
"I want a new light bulb for.the shack. One not too bright and not too dim. One that does not flicker or spark. It also has to be 50 hertz. Any help." Thrift shops are full of them. I bought a few hu