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A shackle code is a cryptographic system used in radio communications on the battle field by the US military, the Rhodesian Army, and the Canadian Army, among other English speaking militaries which might not distribute or require sophisticated one-time use pads. It is specialized for the transmission of numerals.
Soldier's Manual of Common Tasks Warrior Skill Level 1 (STP 21-1-SMCT), Headquarters Department of the Army, Washington D.C. 11 September 2012. (p. 3-99, task #113-587-2070) Tactical Single-Channel Radio Communications Techniques (FM 24-18), Headquarters Department of the Army, Washington D.C. 30 September 1987.
The switchover was co-ordinated by the Digital Switchover Taskforce operating under the federal Department of Broadband, Communications and the Digital Economy. Guam : Complied with the FCC transition to digital on 12 June 2009 on all full-power stations.
The AN/PRC-77 entered service in 1968 during the Vietnam War as an upgrade to the earlier AN/PRC-25.It differs from its predecessor mainly in that the PRC-77's final power amplifier stage is made with a transistor, eliminating the only vacuum tube in the PRC-25, as well as the DC-DC voltage converter used to create the high plate voltage for the tube from the 15 V battery.
Radio Interoperability Capability-Universal (RIC-U) is an analog-to-digital voice bridge between allies and U.S. troops. After plugging in the RIC-U, Soldiers select the radio they wish to speak on. They then interoperate with the allies' radio voice networks, transmitting and receiving voice messages.
The designation AN/PRC translates to Army/Navy Portable Radio used for two-way communications, according to Joint Electronics Type Designation System (JETDS) guidelines. The MBITR was developed by the United States Special Operations Command (USSOCOM) and Thales Communications in the 1990s and went into production in 1994, to address the need ...
The digital television transition in the United States was the switchover from analog to exclusively digital broadcasting of terrestrial television programming. It was originally set for December 31, 2006, but was delayed several times due to multiple government acts being enforced on broadcasting companies.
The AN/PRC-150(C) Falcon II Manpack Radio, is a tactical HF-SSB/ VHF-FM manpack radio manufactured by Harris Corporation. [1] It holds an NSA certification for Type 1 encryption . [ 2 ] The PRC-150 is the manpack HF radio for the Harris Falcon II family of radios, introduced in the early 2000s.