The Russian diplomatic service maintains point-to-point HF radio links with dozens of diplomatic missions around the world. MFA Moscow no longer sends routine traffic over HF, but the diplomatic missions continue to do so.

General information

This information is applicable to all links, regardless of the mode.

  • Message Format: Description of the header format used on the Russian diplomatic links.
  • Link IDs: Numeric IDs for the Russian diplomatic missions, used in place of geographic names.
  • Schedule: Timetable of routine contacts with Russian diplomatic stations.
  • Frequencies: Fixed frequencies for each Russian diplomatic station.

Current modes

The communication modes used on this network are proprietary, and contain unique MFSK and OFDM waveforms.

  • Perelivt: Used on most point-to-point links since the mid 2010s.
  • Serdolik: Used on most point-to-point links from the early 2000s until the mid 2010s, still the primary mode for a few missions.
  • X06: Selective calling system broadcast exclusively by Moscow, associated with the Perelivt and Serdolik links.
  • 45-/112-tone OFDM: Used on a smaller, disjointed branch of the diplomatic network.

Obsolete modes

  • RTTY: Used on most point-to-point links from the mid 1980s until the early 2000s.
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