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Specific Area Message Encoding (SAME) is a protocol used for framing and classification of broadcasting emergency warning messages. It was developed by the United States National Weather Service for use on its NOAA Weather Radio (NWR) network, and was later adopted by the Federal Communications Commission for the Emergency Alert System, then subsequently by Environment Canada for use on its ...
Letter beacons are radio transmissions of uncertain origin and unknown purpose, consisting of only a single repeating Morse code letter. They have been classified into a number of groups according to transmission code and frequency, and it is supposed that the source for most of them is Russia and began during the Soviet Union.
Each codeword carries 21 bits of information (bits 31 through 11), 10 bits of error-correcting code (bits 10 through 1), and an even parity bit (bit 0). Bits 31 through 1 are a binary BCH code (31, 21). The error-correcting code has a 6-bit Hamming distance: each 31-bit codeword differs from every other codeword in at least 6 bits. Consequently ...
The 10s Spot is a satellite radio music channel that plays music from the 2010s. Originally launched on November 3, 2021, it airs on Sirius XM Radio Channel 11. [1] The station plays pop, R&B, and hip hop songs from 2010 to 2019, and is commercial-free with the exception of station IDs, which primarily reference memes and pop culture references from the decade.
Wireless telegraphy or radiotelegraphy, commonly called CW (continuous wave), ICW (interrupted continuous wave) transmission, or on-off keying, and designated by the International Telecommunication Union as emission type A1A or A2A, is a radio communication method.
The International Telecommunication Union uses an internationally agreed system for classifying radio frequency signals. Each type of radio emission is classified according to its bandwidth, method of modulation, nature of the modulating signal, and type of information transmitted on the carrier signal.
Radio Jhinuk Srizoni (Jhinaidhah) 99.2 Radio Mukti Bogra: 99.2 Borendro Radio Ukilpara, Naogaon 99.2 Radio Naf Teknaf, Cox's Bazar 99.2 Radio Saikat Kolatoli, Sadur, Cox's Bazar 99.0 Radio Nalta Nalta Community Hospital in Satkhira: 99.2 Lokobetar Barguna Sadar Upazila: 99.2 Radio Padma Rajshahi: 99.2 Pollikontho Moulivi Bazer 99.2 Radio Mahananda
Grundig Satellit 400 solid-state, digital shortwave receiver, c. 1986 [1]. Shortwave radio is radio transmission using radio frequencies in the shortwave bands (SW). There is no official definition of the band range, but it always includes all of the high frequency band (HF), which extends from 3 to 30 MHz (100 (exactly 99.930819333) to 10 (exactly 9.9930819333) meters); above the medium ...