[MilCom] "D" beacon

[Larry Van Horn]

Morning Scott and all,

You are hearing a Russian Navy CW channel marker (aka Single Letter HF 
Marker SLHFM) transmission from Sevastopol, Ukraine. These are part of what 
is known as clustered channel markers from a varriety of sites.

Here is a breakdown of the recent activity on the 8 MHz cluster:

8.4947  D RUS Navy Sevastopol UKR
8.4948  P RUS Navy Kaliningrad RUS
8.4949  S RUS Navy Severomorsk RUS
8.4950  C RUS Navy Moscow RUS
8.4951  A RUS Navy Astrakhan AZE
8.4952  F RUS Navy Vladivostok RUS
8.4953  K RUS Navy Petropavlovsk-Kamchatskiy RUS
8.4954  M RUS Navy Magadan RUS

Several years ago when I was still writing the MT Ute World column, I broke 
the story of not only who these folks were but also what they do. There is 
more to their transmissions than just a CW letter beacon. The Enigma numbers 
group has assigned a designator of "MX"

A good site to learn more is http://slhfm.totallyexplained.com/, but a 
Google search with "engima mx SLHFM" will keep you busy.

73 and good hunting,

Larry Van Horn, N5FPW
Brasstown, NC USA
MT Assistant/Review Editor
Milcom/What's New Columnist
Milcom Monitoring Post at
http://mt-milcom.blogspot.com/

----- Original Message ----- 
From: <odyslim at comcast.net>
To: "milcom" <milcom at mailman.qth.net>; "r390 list" <r-390 at mailman.qth.net>
Sent: Wednesday, October 28, 2009 11:59 PM
Subject: [MilCom] "D" beacon


> 0532 utc. The letter "D" has been transmitting from a beacon for the
> last hour or so. I have never heard beacons on 8 megs. 8496.5 to be exact
> I was not able to find anything in Google. I know there used to be beacons
> around the 40 meter QRP frequency of 7040. Test the sensitivity of your
> receivers. It is pretty weak at times.
>
> Goes anyone know where this may be coming from?
>
> Regards, Scott
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