sleeve dipole
1Dipole antenna — A schematic of a half wave dipole antenna connected to an unbalanced coaxial cable. Better practice is to connect the balanced dipole to the unbalanced line with a balun. A dipole antenna is a radio antenna that can be made of a simple wire, with …
2Coaxial antenna — A coaxial antenna (often known as a coaxial dipole) is a particular form of a half wave dipole antenna, most often employed as a vertically polarized omnidirectional antenna. Contents 1 History 2 Configuration 3 Bazooka Dipole coaxial antenna …
3rock — rock1 rockless, adj. rocklike, adj. /rok/, n. 1. a large mass of stone forming a hill, cliff, promontory, or the like. 2. Geol. a. mineral matter of variable composition, consolidated or unconsolidated, assembled in masses or considerable… …
4Rock — /rok/, n. a male given name. * * * I In geology, a naturally occurring and coherent aggregate of minerals. The three major classes of rock igneous, sedimentary, and metamorphic are based on the processes that formed them. These three classes are… …
5Optical fiber — A bundle of optical fibers A TOSLINK fiber optic audio c …
6Electret — (formed of elektr from electricity and et from magnet ) is a dielectric material that has a quasi permanent electric charge or dipole polarisation. An electret generates internal and external electric fields, and is the electrostatic equivalent… …
7List of oil field acronyms — Contents 1 # 2 A 3 B 4 C …
8FLR-9 — The AN/FLR 9 is a type of very large circular Wullenweber antenna array, built at many locations during the cold war for HF/DF direction finding of high priority targets. The worldwide network, known collectively as Iron Horse , could locate on… …
