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USA Voice NESTOR KY-38 →
Secure voice unit
- this page is a stub
KY-8 was a voice encryption unit,
that was developed by the US in the
early 1960s as part of the NESTOR family of devices.
Of this family, the KY-8 was the base station and vehicular unit,
whilst the KY-38 was the manpack unit
and the KY-28 was airborne. It was one of the first
devices that used real digital encryption as
opposed to the far less secure voice scramblers.
The KY-8 was suitable for
wideband radios, mainly operating in the
VHF-L (30-88 MHz) and UHF bands (225-400 MHz), such as the VRC-12 series
(RT-246, RT-524 and R-422) [1].
In the design of the KY-8 heavy use is made of the so-called
FLYBALL modules;
small electronic (logic) circuits, developed for the NSA,
that acted as building blocks for the device.
The KY-8 was rolled out
during the Vietnam War in 1965 [2] and several hundred units were lost
to the North Vietnamese when the Republic of Vietnam (RVN) fell in 1975 [3].
Further details of NESTOR are currently unknown.
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KY-8 Vehicular Unit KY-28 Aircraft Unit - Manpack Unit
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© Crypto Museum. Created: Monday 01 June 2015. Last changed: Tuesday, 30 April 2024 - 17:22 CET.
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