priyom.org

Naval markers

Enigma ID MXI

Name
Frequencies ~3595, ~4558, ~5154, ~7039, ~7509, ~8495, ~10872, ~13528, ~16332, ~20048
Status Active
Voice N/A
Emission mode ICW
Location Various locations across Russia
Activity pages

Known counterpart stations

The thereabouts of frequencies 3595, 4558, 5154, 7039, 7509, 8495, 10872, 13528, 16332 and 20048 kHz are used by clusters of single-letter beacons run by various Russian Navy bases across Russia. Their purpose is to find the most suitable frequency for a two-way contact with a particular base, given the current propagation conditions.

Not all markers are on the air at a given moment, and some frequencies are only used seasonally. List of markers, frequencies and their associated bases:

Marker D P S C A F K M Months active
Frequency 3594.7 3594.8 3594.9 3595.0 3595.1 3595.2 3595.3 3595.4 Jan, Feb, Nov, Dec
4557.7 4557.8 4557.9 4558.0 4558.1 4558.2 4558.3 4558.4 Mar, Apr, Sep, Oct
5153.7 5153.8 5153.9 5154.0 5154.1 5154.2 5154.3 5154.4 All year round
7508.7 7508.8 7508.9 7039.0 7509.1 7509.2 7039.3 7039.4 All year round
8494.7 8494.8 8494.9 8495.0 8495.1 8495.2 8495.3 8495.4 All year round
10871.7 10871.8 10871.9 10872.0 10872.1 10872.2 10872.3 10872.4 All year round
13527.7 13527.8 13527.9 13528.0 13528.1 13528.2 13528.3 13528.4 All year round
16331.7 16331.8 16331.9 16332.0 16332.1 16332.2 16332.3 16332.4 All year round
20047.7 20047.8 20047.9 20048.0 20048.1 20048.2 20048.3 20048.4 All year round
Base RCV
Sevastopol
RMP
Kaliningrad
RIT
Severomorsk
RIW
Moscow
?
Astrakhan
RJS
Vladivostok
RCC
Petropavlovsk-
-Kamchatsky
RTS
Magadan
 

Sample of the markers D, P, S, C, F and K heard around 16332 kHz on June 3rd, 2015:

 

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