encrypted signal
31List of digital television deployments by country — This is a list of digital television deployments by country, which summarises the process and progress of transition from analogue to digital broadcasting. It is current as of December 2007. The transition to digital television is a process that… …
32Glossary of contract bridge terms — These terms are used in Contract bridge[1][2] , or the earlier game Auction bridge, using duplicate or rubber scoring. Some of them are also used in Whist, Bid whist, and other trick taking games. This glossary supplements the Glossary of card… …
33Super Audio CD — Media type Optical disc Encoding Digital (DSD) Capacity up to 7.95 GiB/GB …
34Transit (satellite) — Transit 2A with GRAB 1 atop during launch preparations The TRANSIT system, also known as NAVSAT (for Navy Navigation Satellite System), was the first satellite navigation system to be used operationally. The system was primarily used by the U.S.… …
35Venona project — The VENONA project was a long running secret collaboration of the United States and United Kingdom intelligence agencies involving cryptanalysis of messages sent by intelligence agencies of the Soviet Union, the majority during World War II.… …
36Project 25 — (P25 or APCO 25) is a suite of standards for digital radio communications for use by federal, state/province and local public safety agencies in North America to enable them to communicate with other agencies and mutual aid response teams in… …
37Account stacking — is a broadcast industry term, which refers to the deployment of subscription Direct To Home (DTH) satellite receiving equipment at multiple geographical locations under a single customer account. It is often referred to as 2nd address service,… …
38Hardware random number generator — This SSL Accelerator computer card uses a hardware random number generator to generate cryptographic keys to encrypt data sent over computer networks. In computing, a hardware random number generator is an apparatus that generates random numbers… …
39Numbers station — Fictional example of a numbers station. Numbers stations (or number stations) are shortwave radio stations of uncertain origin. In the 1950s, Time magazine reported that the numbers stations first appeared shortly after World War II and were… …
40TEMPEST — is a codename referring to investigations and studies of compromising emanations (CE). Compromising emanations are defined as unintentional intelligence bearing signals which, if intercepted and analyzed, may disclose the information transmitted …
