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Author Topic: 11414 UNID Mystery 1430 UTC  (Read 1730 times)

Offline Aitrius

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11414 UNID Mystery 1430 UTC
« on: October 17, 2023, 1452 UTC »
Strange constant signal with rhythmic tone every 1 - seconds. High pitched.

s9+ in Michigan

Spread about 10khz bandwidth.

Picked up on my 7300 with 100ft long wire antenna.

I looked it up and it could be FSK or PSK? However, looks more like 10 tones, not 8, 12 or 20.

At about 14:50 UTC the signal just dropped to s2-3 but is still there.

Also picked it up on KIWISDR in Northern Michigan, Omaha Nebraska, Florida, Mexico and then also in the Carribean. Very loud in California at 15:09 UTC, faint in Hawaii and the Philipines.

Ended at 15:50 UTC
« Last Edit: October 17, 2023, 1714 UTC by Aitrius »
Logged
Icom 7300, SdrPlay Duo, Lowbander modded DX-394, Tecsun PL880. 100 Foot wire with 1:9 balun from 25 Feet sloped to about 10 Feet. Facing north/south.

Metro Detroit

Offline Nomadiq

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Re: 11414 UNID Mystery tone 1430 UTC
« Reply #1 on: October 17, 2023, 1516 UTC »
Can confirm - heard in Vermont at S9+20dB.

Looks like this:

« Last Edit: October 17, 2023, 1518 UTC by Nomadiq »
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QTH: Boston Northern Suburbs
Radios: web-888 SDR, Icom R75, Airspy HF+ Discovery, ICOM IC-7410, Yeasu FT-817
Antennas: EndFed Random Wire, Philips head screw driver jammed into the center socket
eQSLs: k6aus@arrl.net

Offline Aitrius

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Re: 11414 UNID Mystery tone 1430 UTC
« Reply #2 on: October 17, 2023, 1521 UTC »
Quote from: Nomadiq on October 17, 2023, 1516 UTC
Can confirm - heard in Vermont at S9+20dB.

Looks like this:




Yes, Can confirm. Thanks for getting a good photo of it!
Logged
Icom 7300, SdrPlay Duo, Lowbander modded DX-394, Tecsun PL880. 100 Foot wire with 1:9 balun from 25 Feet sloped to about 10 Feet. Facing north/south.

Metro Detroit
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