[amsat-bb] Severe UHF Satellite inerference found!

[Luc Leblanc]

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 at amsat.org] On Behalf Of Robert Bruninga
> Sent: Wednesday, February 03, 2016 9:48 AM
> To: amsat-bb at 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