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Author Topic: 6814khz 0220 utc 02/17/2017 40khz wide. OTHR ?  (Read 912 times)
ka1iic
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Troy, Ohio. 20m Vertical & low long wire E/W,


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« on: February 17, 2017, 0301 UTC »

On 6814khz 0220 utc 02/17/2017  40khz wide.

Well I thought this could be OTHR but it appears to be 40 Khz wide and it tends to move frequency of a few KHZ upward.  The sound file is here:

http://www111.zippyshare.com/v/lJ4tz58u/file.html

And of course the picture file is attached. Any ideas from where this signal comes from or what it is?

tnx vgw


* Loran-type-sig-Screenshot_2017-02-16_21-16-43-3.png (243.34 KB, 520x293 - viewed 104 times.)
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73 Vince
KA1IIC

"If you can't be anything, you can at least be annoying"

Troy, Ohio. 20m Vertical & low long wire E/W, Yaesu FT-187ND, SDRplay 2, Ratt Shack 2 meter rig, and other little bits of electronics I'm not talking about, homebrewed and otherwise... so there bleech!
Token
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« Reply #1 on: February 18, 2017, 0112 UTC »

Yes, it is an OTHR.  Exactly which OTHR I cannot say, it is not any of the normal suspects or if it is it is a less used mode.

(edit)  Based on  the time and signal strength this radar was heard in MD this morning I would say there is a good probability this is the US ROTHR in VA, although based on my receptions here this is not a typical operating mode for that radar.

T!
« Last Edit: February 18, 2017, 2125 UTC by Token » Logged

T!
Mojave Desert, California USA
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