Search results
Results From The WOW.Com Content Network
Station Radio A42 – British copy of the US AN/PRC-9. Station Radio B44 – Short-range duplex AM set for artillery and anti-aircraft batteries. Station Radio B45. Station Radio B47 – VHF transceiver, 38 to 56 MHz. Station Radio B48 – VHF transceiver, 26 to 38 MHz. Station Radio C12 – Interim HF AM/CW set designed by Pye.
WWVB is a time signal radio station near Fort ... An additional 2×14 = 28 time codes are transmitted between 04:10 and 10:46 UTC on days when daylight saving ...
Wide FM, 20.0 kHz width, ±5 kHz deviation, still widely used for amateur radio, NOAA weather radio, marine, and aviation users and land mobile users below 50 MHz 11K2 F3E Narrow FM, 11.25 kHz bandwidth, ±2.5 kHz deviation – In the United States, all Part 90 Land Mobile Radio Service (LMRS) users operating above 50 MHz were required to ...
There are at least three sets of Z codes. 1. One set of codes was originally developed by Cable & Wireless Ltd. (the Cable & Wireless Service Z code) for commercial communications in the early days of wire and radio communications. The old C&W Z codes are not widely used today. 2. APCO [clarification needed] also developed a system of Z codes. [1]
Cab Secure Radio (CSR) was an in-cab analogue radiotelephone system formerly used on parts of the British railway network. Its main function was to provide a secure speech link between the train driver and the signaller which could not be overheard by other train drivers. In areas where CSR was used, it had to be the primary method of ...
Maidenhead Locator System. The Maidenhead Locator System (a.k.a. QTH Locator and IARU Locator) is a geocode system used by amateur radio operators to succinctly describe their geographic coordinates, which replaced the deprecated QRA locator, which was limited to European contacts. [1] Its purpose is to be concise, accurate, and robust in the ...
Code talker. Choctaw soldiers in training in World War I for coded radio and telephone transmissions. A code talker was a person employed by the military during wartime to use a little-known language as a means of secret communication. The term is most often used for United States service members during the World Wars who used their knowledge ...
The Code of Practices for Television Broadcasters, also known as the Television Code, was a set of ethical standards adopted by the National Association of Broadcasters (NAB) of the United States for television programming from 1952 to 1983. The code was created to self-regulate the industry in hopes of avoiding a proposed government Advisory ...