Drop Out — F/A/V Loss of a portion of a signal, usually due to a loss of a tape s oxide coating or due to dirt or grease covering a portion of a tape … Audio and video glossary
drop — droplike, adj. /drop/, n., v., dropped or dropt, dropping. n. 1. a small quantity of liquid that falls or is produced in a more or less spherical mass; a liquid globule. 2. the quantity of liquid contained in such a globule. 3. a very small… … Universalium
Dead drop — spike A dead drop or dead letter box is a method of espionage tradecraft used to pass items between two individuals by using a secret location and thus does not require them to meet directly. Using a dead drop permits a Case Officer and his Agent … Wikipedia
Choke-out — The use of chokeholds has become quite prevalent, in competitions such as Brazilian Jujitsu, Competition Sambo, Submission Wrestling, Mixed Martial Arts, it also has Law enforcement and military applications. A Choke Out is when one person uses… … Wikipedia
Automatic Block Signal — Basic Automatic Block Signals = Automatic Block Signal, or ABS, systems consist of a series of signals that govern blocks of track between the signals. The signals are automatically activated by the conditions of the block beyond the signal.… … Wikipedia
Operation Sea Signal — USCGC Boutwell (WHEC 719) participates in Operation Sea Signal Operation Sea Signal was a United States Military humanitarian operation in the Caribbean in response to an influx of Cuban and Haitian migrants attempting to gain asylum in the… … Wikipedia
Lights Out (radio show) — Lights Out was an extremely popular American old time radio program, an early example of a network series devoted mostly to horror and the supernatural, predating Suspense and Inner Sanctum . Versions of Lights Out aired on different networks, at … Wikipedia
Railway semaphore signal — One of the earliest forms of fixed railway signal is the semaphore. These signals display their different indications to train drivers by changing the angle of inclination of a pivoted arm . Semaphore signals were patented in the early 1840s by… … Wikipedia
Time signal — These automatic signal clocks were synchronized by telegraphy in 1905 before the widespread use of radio A time signal is a visible, audible, mechanical, or electronic signal used as a reference to determine the time of day. Contents 1 Audible… … Wikipedia
Operation Christmas Drop — Loadmaster prepares to give the drop signal. WC 130 of the 54th Weather Re … Wikipedia