M17 (amateur radio) - определение. Что такое M17 (amateur radio)
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Что (кто) такое M17 (amateur radio) - определение


M17 (amateur radio)         
  • Spectrogram of the M17 protocol transmission. Time is on vertical axis, advancing from bottom to top. There's a 40 milliseconds preamble visible at the beginning of the transmission.
OPEN SOURCE AMATEUR RADIO MODE
User:Arrowsmaster/sandbox; Draft:M17 (amateur radio)
M17 is a digital radio modulation mode developed by Wojciech Kaczmarski SP5WWP et al.Dan Romanchik's (KB6NU) blog entry on M17 Project (Nov 2019)"Świat Radio" magazine, issue 11/2020, p.
Amateur radio         
  • USA and Canada Treaty, CEPT and IARP}}
  • A handheld VHF/UHF transceiver
  • Kenwood]] TM-D700E transceiver.
  • ground]].
  • Polish ham call sign SP1OE, [[Vacuum tube]] devices, transmitter and [[AR-88]] receiver (1950)
  • The top of a tower supporting a [[Yagi–Uda antenna]] and several wire antennas, along with a Canadian flag
  • A young Polish woman with radio antennas in [[Åland]]
USE OF DESIGNATED RADIO FREQUENCY SPECTRA FOR PURPOSES OF NON-COMMERCIAL EXCHANGE OF MESSAGES
Ham radio; Amature radio; Beaumanor & Garats HaY Amateur Radio Society; Ham Radio; Hamradio; Amateur radio license; HAM Radio; HAM radio; Amateur Radio Club; List of amateur radio operating modes; Amateur Radio Service; Amatuer radio; Amateur shortwave radio; Ham radios; Amateur Radio Operator's License; Amateur Radio; Radioamatør; Radioafición; Amateur radio mode; Radio Club; Elmer (ham radio); Amateur radio licensing; Amateur service; Ham radio set; Amateur radio service; HAM radios
Amateur radio, also known as ham radio, is the use of the radio frequency spectrum for purposes of non-commercial exchange of messages, wireless experimentation, self-training, private recreation, radiosport, contesting, and emergency communications. The term "amateur" is used to specify "a duly authorised person interested in radioelectric practice with a purely personal aim and without [interest;" (either direct monetary or other similar reward) and to differentiate it from commercial broadcasting], public safety (such as police and fire), or professional [[two-way radio services (such as maritime, aviation, taxis, etc.
History of amateur radio         
ASPECT OF HISTORY
Amateur radio history
The history of amateur radio, dates from the dawn of radio communications, with published instructions for building simple wireless sets appearing at the beginning of the twentieth century. Throughout its history, amateur radio enthusiasts have made significant contributions to science, engineering, industry, and social services.

Википедия

M17 (amateur radio)
M17 is a digital radio modulation mode developed by Wojciech Kaczmarski SP5WWP et al.Dan Romanchik's (KB6NU) blog entry on M17 Project (Nov 2019)"Świat Radio" magazine, issue 11/2020, p.