frequency signal transmitter
91Microwave landing system — The NASA 737 research aircraft on the Wallops runway in 1987 with the Microwave Landing System equipment in the foreground. A microwave landing system (MLS) is an all weather, precision landing system originally intended to replace or supplement… …
92Omega (navigation system) — OMEGA was the first truly global radio navigation system for aircraft, operated by the United States in cooperation with six partner nations. Contents …
93Injection locking — is a high frequency (usually RF, but possibly microwave and optical) phenomenon where an oscillator directly synchronizes to another high frequency signal. In the case of a VCO an injection locking signal may override its low frequency control… …
94Underwater searches — are procedures carried out by divers in order to find a known or suspected target object or objects in a specified search area under water. There are a number of techniques in general use by Commercial, Scientific, Public service, Military, and… …
95beam — Synonyms and related words: AM signal, CRT spot, DM display, Doppler signal, FM signal, H beam, I beam, IF signal, IF video signal, IM display, RF amplifier, RF echoes, RF signal, RF stage, TV band, X ray, abutment, actinic ray, actinism,… …
96bounce — Synonyms and related words: AM signal, CRT spot, DM display, Doppler signal, FM signal, Highland fling, IF signal, IM display, RF amplifier, RF echoes, RF signal, RF stage, adaptability, airiness, and jump, animation, ax, backfire, backlash,… …
97Ionospheric sounding — In telecommunication and radio science, an ionospheric sounding is a technique that provides real time data on high frequency ionospheric dependent radio propagation, using a basic system consisting of a synchronized transmitter and receiver. The …
98OMEGA Navigation System — OMEGA was the first truly global radio navigation system for aircraft, operated by the United States in cooperation with six partner nations.HistoryOMEGA was originally developed by the United States Navy for military aviation users. It was… …
99NSS Annapolis — NSS Annapolis, officially known as Naval Communications Station Washington, D.C. Transmitter or NavCommStaWashingtonDC(T), was a Very Low Frequency (VLF) and High Frequency (HF) transmitter station operated by the United States Navy. It was… …
100Clansman — For the book by Thomas Dixon, see The Clansman. Clansman The PRC 320 HF Radio Type Radio Communications System Place of …
