TOP SECRET COMMUNICATIONS OF
WORLD WAR II
BY DONALD E. MEHL
SIGSALY - THE GREEN HORNET
THE U.S. WAR DEPARTMENT'S WW2 GENERAL STAFF
SECRET VOICE CONFERENCING SYSTEM
THE START OF THE DIGITAL REVOLUTION
SIGTOT - SECURE TELETYPE SYSTEM
BOTH PROVIDING HIGH-LEVEL SECURE CONFERENCING BETWEEN
GENERAL DOUGLAS MACARTHUR'S GHQ
IN THE AMP BUILDING IN BRISBANE
AND THE PENTAGON
Donald Mehl worked as an officer in the 805th Signal Service Company of the Signal Corps Army Communications System. Donald worked for the Army General Staff operating two secret systems (Sigsaly and Sigtot) that both remained secret for decades after the war ended. Donald personally handled top-secret and eyes-only messages for General Marshall.
The book also contains information on several other crypto systems such as the Sigaba and the M-209. It also has references to several German systems.
The story of SIGSALY and SIGTOT is told in
Donald Mehl's excellent book,
"Top Secret Communications of World War II""
"Australia @ War" WWII Research Products
© Peter Dunn 2015
This page first produced 7 September 2002
This page last updated 21 January 2020