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Radio repeater. A radio repeater is a combination of a radio receiver and a radio transmitter that receives a signal and retransmits it, so that two-way radio signals can cover longer distances. A repeater sited at a high elevation can allow two mobile stations, otherwise out of line-of-sight propagation range of each other, to communicate. [1]
A radio repeater retransmits a radio signal. In telecommunications, a repeater is an electronic device that receives a signal and retransmits it. Repeaters are used to extend transmissions so that the signal can cover longer distances or be received on the other side of an obstruction. Some types of repeaters broadcast an identical signal, but ...
The PGM-11 Redstone was the first large American ballistic missile. A short-range ballistic missile (SRBM), it was in active service with the United States Army in West Germany from June 1958 to June 1964 as part of NATO 's Cold War defense of Western Europe. It was the first US missile to carry a live nuclear warhead, in the 1958 Pacific Ocean ...
The Sparta (or Redstone Sparta) was a three-stage rocket that launched Australia's first Earth satellite, WRESAT, on 29 November 1967. [1] [2] [3] Sparta used surplus American Redstone rockets as its first stage, a Thiokol Antares 2 from Scout rocket as a second stage, and a WRE BE-3 Alcyone solid-propellant engine as a third stage.
Get the recipe: BLT Hot Dogs. Alice Knisley. Quicker, tastier and easier than ever before. Get the recipe: Air Fryer Hot Dogs. Sara Deseran and Joe Hargarve. Everything is better with bacon. Get ...
Coaxial cavity RF filter at 2 meter repeater. An amateur radio repeater is an electronic device that receives a weak or low-level amateur radio signal and retransmits it at a higher level or higher power, so that the signal can cover longer distances without degradation. Many repeaters are located on hilltops or on tall buildings as the higher ...
The Evans repeating rifle is often considered to be one of the oddest rifles to ever be produced in the United States. The Evans was invented by Warren R. Evans, a dentist from Thomaston, Maine. With the help of his brother George, they perfected the rifle and started the "Evans Rifle Manufacturing Company" of Mechanic Falls, Maine in 1873.
Proprietary. macOS. MacLoggerDX is a full-featured amateur radio contact logger for macOS with Transceiver control, Rotor control, Callbook lookup, QSL handling (Hardcopy / LoTW / eQSL / Club Log), DX Cluster and spotting, and basic contesting support. It also works with WSJT-X to control the transceiver while making digital contacts, etc.