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#Post#: 12--------------------------------------------------
Amateur Band Plans and the allocations..
DIR By: K4KGP
Date: September 30, 2020, 9:18 am
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Band plans and frequency allocations
Main article: Amateur radio frequency allocations
The International Telecommunication Union (ITU) governs the
allocation of communications frequencies worldwide, with
participation by each nation's communications regulation
authority. National communications regulators have some liberty
to restrict access to these bandplan frequencies or to award
additional allocations as long as radio services in other
countries do not suffer interference. In some countries,
specific emission types are restricted to certain parts of the
radio spectrum, and in most other countries, International
Amateur Radio Union (IARU) member societies adopt voluntary
plans to ensure the most effective use of spectrum.
In a few cases, a national telecommunication agency may also
allow hams to use frequencies outside of the internationally
allocated amateur radio bands. In Trinidad and Tobago, hams are
allowed to use a repeater which is located on 148.800 MHz. This
repeater is used and maintained by the National Emergency
Management Agency (NEMA), but may be used by radio amateurs in
times of emergency or during normal times to test their
capability and conduct emergency drills. This repeater can also
be used by non-ham NEMA staff and REACT members. In Australia
and New Zealand ham operators are authorized to use one of the
UHF TV channels. In the U.S., amateur radio operators providing
essential communication needs in connection with the immediate
safety of human life and immediate protection of property when
normal communication systems are not available may use any
frequency including those of other radio services such as police
and fire and in cases of disaster in Alaska may use the
statewide emergency frequency of 5167.5 kHz with restrictions
upon emissions.[52]
Similarly, amateurs in the United States may apply to be
registered with the Military Auxiliary Radio System (MARS). Once
approved and trained, these amateurs also operate on US
government military frequencies to provide contingency
communications and morale message traffic support to the
military services.
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