[time-nuts] 1900kHz radiolcation testing on east coast US?
planophore at aei.ca
Mon Dec 8 05:24:12 EST 2014
this signal is being heard all across the eastern part of North America
and there are reports from at least as far west as Montana. I can hear
it during the day but at a very low level. Night time levels are much
cheers, Graham ve3gtc FN25ig near Ottawa Canada
On 2014-12-07 19:09, Bob Camp wrote:
> 120 Hz sub structure suggests a (much lower power) switching power supply run amok. I certainly would not design a system that would have virtually no immunity to power line noise …..
>> On Dec 7, 2014, at 6:28 PM, Tim Shoppa <tshoppa at gmail.com> 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
>> 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
>> Tim N3QE
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