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 indicate 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 used only seasonally. Markers, frequencies, and their associated bases:

Marker D P S C A F K M
Frequency 3594.7 3594.8 3594.9 3595.0 3595.1 3595.2 3595.3 3595.4
4557.7 4557.8 4557.9 4558.0 4558.1 4558.2 4558.3 4558.4
5153.7 5153.8 5153.9 5154.0 5154.1 5154.2 5154.3 5154.4
7508.7 7508.8 7508.9 7039.0 7509.1 7509.2 7039.3 7039.4
8494.7 8494.8 8494.9 8495.0 8495.1 8495.2 8495.3 8495.4
10871.7 10871.8 10871.9 10872.0 10872.1 10872.2 10872.3 10872.4
13527.7 13527.8 13527.9 13528.0 13528.1 13528.2 13528.3 13528.4
16331.7 16331.8 16331.9 16332.0 16332.1 16332.2 16332.3 16332.4
20047.7 20047.8 20047.9 20048.0 20048.1 20048.2 20048.3 20048.4
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 3 June 2015:

 

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