satellite communications unit
51Signals intelligence operational platforms by nation — This article is a subset article under the main article Signals intelligence, which addresses the unifying conceptual and technical factors and common technologies in this intelligence discipline. This article deals with current signals… …
52DirecTV — Type Public company[1] Traded as NASDAQ:  …
53People's Liberation Army —   中国人民解放军   Emblem of the People s Liberation Army Founded August 1, 1927 Service branches …
54Signal Corps (United States Army) — U.S. Army Signal Corps Coat of Arms Active 3 March 1863 – Present Country …
55New York City Fire Department — Fire Department of New York Motto:  New …
56Distress radiobeacon — PLB redirects here. For other uses, see PLB (disambiguation). Emergency position indicating radio beacons or EPIRBs Distress radio beacons, also known as emergency beacons, ELT or EPIRB, are tracking transmitters which aid in the detection and… …
57Vessel monitoring system — Vessel monitoring systems (VMS) are used in commercial fishing to allow environmental and fisheries regulatory organizations to monitor, minimally, the position, time at a position, and course and speed of fishing vessels. They are a key part of… …
58Saspo — Dies ist der fünfte Teil der Liste Abkürzungen/Luftfahrt. Liste der Abkürzungen Teil 1 A A Teil 2 B–D B; C; D Teil 3 E–K …
59Abkürzungen/Luftfahrt/S–Z — Dies ist der fünfte Teil der Liste Abkürzungen/Luftfahrt. Liste der Abkürzungen Teil 1 A A Teil 2 B–D B; C; D Teil 3 E–K E; F; G; H; I; J; …
60Aircraft Communication Addressing and Reporting System — Aircraft Communications Addressing and Reporting System (or ACARS) is a digital datalink system for transmission of small messages between aircraft and ground stations via radio or satellite. The protocol, which was designed by ARINC to replace… …
