Numbers stations

Asian Broadcasting Institute

Cuban HM01 page + DIGTRX decoder

Der Deutsche Freiheitssender 904 (DFS 904)

Don Schimmel's Radio Intrigue archive

ENIGMA 2000

HF Underground

Hugh Stegman's site

M51a FAV22

Now on the radio (includes Asian numbers stations)

Numbers stations on Wikipedia

Priyom

Surfing the Radio Waves

Westli's V13 (New Star) pages

Zahlensender, Agentensender, Geheimsender, Spionagefunk auf Kurzwelle


Crypto

Alan Turing home page

Bletchley Park

Bob Lord's Crypto Museum

Code Groups

Crypto Museum

Cypher machines & Cryptology

Enigma Museum

Foundation for German communication and related technologies

Frode Weierud's cryptography page

Jerry Proc: Crypto Machines

One-Time Pad Generators




Intelligence related

Agentura

American Foreign Policy Council

CIA Freedom of Information Database

Crime Museum

Cryptome

Der SAS- und Chiffrierdienst

Espionage History Archive

Federation of American Scientists

Global Security

Intelligence Tread Handbook

Intelnews.org

International Spy Museum

Library of Congress Country Studies

Library of Congress Country Studies publications

National Security Archive

Psy Warrior

Radioscanner.ru

Secret Bases

Statewatch

U.K. National Archives

U.S. National Archives


Software  

Audacity recording and sound editing

CSVUserlistBrowser by DF8RY

DIGTRX decoder for RDFT

EasyDRF decoder for WinDRM

Easypal decoder for WinDRM

How to convert F06a messages

Rivet decoder for XPA/XPA2/F01/F06/F06a/T600

Rivet decoder info

Spectrum Analyzer



Numbers & Oddities