[time-nuts] 1900kHz radiolcation testing on east coast US?

Brian Inglis Brian.Inglis at SystematicSw.ab.ca
Mon Dec 8 09:15:01 EST 2014


On 2014-12-07 16:28, Tim Shoppa wrote:
> Would any time-nuts know of radiolocation-type testing going on, on east
> coast of US, maybe around Maine? There is a very strong wideband signal on
> 1900-1920kHz, with a 120Hz substructure and a 4Hz rep-rate, likely megawatt
> power range.
>
> Sound sample (recorded with 2400Hz receiver bandwidth, although the whole
> signal is far far wider bandwidth) at
> http://www.trailing-edge.com/1910-intruder.wav
>
> Pics of the waveform at http://www.trailing-edge.com/1910-intruder-1.png and
> zoomed in at http://www.trailing-edge.com/1910-intruder-2.png

Could it be an artifact of interference with NAA 1-1.8MW at 24kHz
which also uses ~3MW at 60Hz for deicing on the inactive array,
as it is now below freezing and fairly humid in coastal Maine
http://en.wikipedia.org/wiki/VLF_Transmitter_Cutler

-- 
Take care. Thanks, Brian Inglis


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