[RFI] The ARRL Contest Update for April 1, 2020

AA5CT jwin95 at yahoo.com
Wed Apr 1 18:57:04 EDT 2020

Stimulus generalization; the LED types aren't the ones (bulbs) 
that gave OFCOM the problem. You're going to be figuratively
shocked when you finally realize its really a tungsten filament 
lamp (with a vacuum) that OFCOM found to be the problem ...

de AA5CT Jim

PS. Look up "Barkhausen-Kurz vibrations (or oscillations)". 

     On Wednesday, April 1, 2020, 04:42:21 PM GMT-5, KD7JYK DM09 <kd7jyk at earthlink.net> wrote:  
 Wondering why these bulbs are an issue now, when I made several posts 
regarding them, going back roughly a decade when they began to flood the 
market, with extreme RFI noted in the VHF airband (where I monitor 
daily), and beyond.


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