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・ 2173 Maresjev
・ 2175 Andrea Doria
・ 21751 Jennytaylor
・ 21754 Tvaruzkova
・ 2177 Oliver
・ 21785 Méchain
・ 217th (Qu'Appelle) Battalion, CEF
・ 217th Brigade (United Kingdom)
・ 217th Guards Airborne Regiment
・ 218
・ 218 (number)
・ 218 BC
・ 218 Bianca
・ 21801 Ančerl
・ 2181 Fogelin
2182 kHz
・ 2186 Keldysh
・ 2187 La Silla
・ 2188 Orlenok
・ 218th
・ 218th (Edmonton) Battalion, CEF
・ 218th Brigade (United Kingdom)
・ 218th Infantry Division (Wehrmacht)
・ 218th Maneuver Enhancement Brigade (United States)
・ 219
・ 219 (number)
・ 219 BC
・ 219 Days
・ 219 Thusnelda
・ 21921 Camdenmiller


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2182 kHz : ウィキペディア英語版
2182 kHz

The radio frequency of 2182 kHz (kilohertz) is the international calling and distress frequency for maritime radiotelephone communications on the marine MF bands.〔http://www.jproc.ca/rrp/distress.html ''Distress Communications, RADIO COMMUNICATIONS AND SIGNALS INTELLIGENCE IN THE CANADIAN NAVY''〕
==Transmission modes==
Transmissions on 2182 kHz commonly use single-sideband modulation (SSB) (upper sideband only). However, amplitude modulation (AM) and some variants such as vestigial sideband are still in use, mainly by vessels with older equipment and by some coastal stations in an attempt to ensure compatibility with older and less sophisticated receivers.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
ウィキペディアで「2182 kHz」の詳細全文を読む



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