I can add QRN from a lawn mower defective battery charger who remain plugged a whole winter in a back yard shed! S9+10 , a DVD recorder S9+20, nearly all type of dimmer switch.
You can surely populate my list.
I have a similar tale was a wall wart powering a usb hub. Spent day looking outside nick
-----Original Message----- From: AMSAT-BB [mailto:amsat-bb-bounces@amsat.org] On Behalf Of Robert Bruninga Sent: Wednesday, February 03, 2016 9:48 AM To: amsat-bb@amsat.org Cc: Jameson Pirkel Subject: [amsat-bb] Severe UHF Satellite inerference found!
Our satellite ground station has been jammed for about a week with 60 dB over pulse (spread spectrum) Looks and sounds just like Wifi but from below 420 to above 460 MHz. Yestereday we built up a portable USB receiver and attenuator and began measurements.
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Luc Leblanc VE2DWE