Declassified / Government Archives

The CIA Library

Contains many popular publications and documents released by the CIA

FBI Records – The Vault
Contains scanned FBI documents that have been released for the public to view
Ukrainian archive of declassified KGB documents. (in Ukrainian and Russian)
Mitrokhin Archive
The Mitrokhin Archive consists of summarized notes taken by Vasili Nikitich Mitrokhin, a former KGB archivist who defected to the United Kingdom after the fall of the Soviet Union
STASI Documents
Documents of STASI the German Democratic Republic intelligence agency (in German).


Crypto Museum
The Crypto Museum is a site that focuses on preserving the history of cipher machines and has great historical info
Secret Code Breaker
Online Cryptanalysis Handbook


Guide to shortwave radio listening, news and shortwave radio reviews

Shortwave Radio World
Learning and informative recourse about shortwave radio and beyond

University of Twente webSDR
uTwentes webSDR, a very useful wide band 0-30 MhZ radio receiver

Signal Identification Guide
Database of various signal modes on shortwave. Sound samplesand signal waterfall images.

Numbers & Oddities
A site with interesting information about numbers stations and oddity signals
Mysteries Signals of the Short Wave
Dedicated to the more unusual, strange, bizarre and apparently meaningless signals on the short wave bands!
The Conet Project Archive
Archive of the conet project, has 4 CDs of recordings

ENIGMA 2000 and their yahoo group’s main website

Military Sources

The Defcon Warning System

News and analysis of the nuclear threat against the United States

Strategic Sentinel

Geospatial analysis, intelligence analysis, and geopolitical research and assessments to globally oriented companies, government entities, think tanks, and various other organizations.

Связь в Вооруженных Силах Российской Федерации 

Official Russian Communications forces yearly journals. Contains information about

the leadership, developments and history of the Russian communications forces.

Russian Message Types and Phonetic

Radio Manual For The Armed Forces of The USSR 1965
Rukovodstvo Po Radiosvyazi Vs SSSR 1985

Youtube Channels

NSRIC’s Youtube UVB-76
Zahav RW Observer
TheSpectre3000 Peter Staal




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