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

[Michael Germino]

"Vintage" A modern bulb made to look vintage or "steampunk" may not have been  Incandescent. Probably a "steampunk led bulb".
Mike73, AD6AA 


Sent from AT&T Yahoo Mail on Android 
 
  On Wed, Apr 1, 2020 at 3:44 AM, Rob Atkinson<ranchorobbo at gmail.com> wrote:   Sadly, the qrznow article covered everything except what is really
interesting:  the mode by which the seemingly incandescent "vintage"
bulbs radiated RFI.

73
Rob
K5UJ

Vintage light bulbs were the ultimate cause of interference to
aircraft communications in the Glasgow, Scotland airport area, but
finding it made an interesting story on QRZnow.com. Four bulbs were
all it took to be a real problem.
https://qrznow.com/ofcom-engineers-shine-a-light-on-interference-issue/
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