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4-meter band

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The 4-metre (70 MHz) band is an amateur radio frequency band in the lower very high frequency (VHF) spectrum. [1]

74 relations: Akrotiri and Dhekelia, Amateur radio, Amplitude modulation, Aurora, Austria, Azores, Åland Islands, Bahrain, Bandwidth (signal processing), Belfast, Belgium, Bristol, Bulgaria, Contact (amateur radio), Croatia, Crossband operation, Cyprus, Czech Republic, Denmark, Dublin, DXing, Eastern Europe, Estonia, Faroe Islands, Finland, Frequency modulation, Germany, Gibraltar, Greece, Greenland, Guernsey, Hertfordshire, High frequency, Hungary, Internet Radio Linking Project, Ionosphere, Isle of Man, Israel, Italy, Jersey, Latvia, Luxembourg, Madeira, Meteoroid, Monaco, Morse code, Namibia, Netherlands, North London, Norway, ..., Packet radio, Poland, Portugal, Professional mobile radio, Radio Society of Great Britain, Republic of Ireland, Romania, Saint Helena, Simplex communication, Single-sideband modulation, Slovakia, Slovenia, Somalia, South Africa, Spain, Sporadic E propagation, Television, Troposphere, United Arab Emirates, United Kingdom, United States, Very high frequency, Wave propagation, 6-meter band. Expand index (24 more) »

Akrotiri and Dhekelia

The Sovereign Base Areas of Akrotiri and Dhekelia (SBA; Περιοχές Κυρίαρχων Βάσεων Ακρωτηρίου και Δεκέλιας, Periochés Kyríarchon Váseon Akrotiríou kai Dekélias; Egemen Üs Bölgeleri Ağrotur ve Dikelya), is a British Overseas Territory on the island of Cyprus.

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Amateur radio

Amateur radio, also known as ham radio, describes the use of radio frequency spectrum for purposes of non-commercial exchange of messages, wireless experimentation, self-training, private recreation, radiosport, contesting, and emergency communication.

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Amplitude modulation

Amplitude modulation (AM) is a modulation technique used in electronic communication, most commonly for transmitting information via a radio carrier wave.

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Aurora

An aurora (plural: auroras or aurorae), sometimes referred to as polar lights, northern lights (aurora borealis) or southern lights (aurora australis), is a natural light display in the Earth's sky, predominantly seen in the high-latitude regions (around the Arctic and Antarctic).

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Austria

Austria (Österreich), officially the Republic of Austria (Republik Österreich), is a federal republic and a landlocked country of over 8.8 million people in Central Europe.

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Azores

The Azores (or; Açores), officially the Autonomous Region of the Azores (Região Autónoma dos Açores), is one of the two autonomous regions of Portugal.

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Åland Islands

The Åland Islands or Åland (Åland,; Ahvenanmaa) is an archipelago province at the entrance to the Gulf of Bothnia in the Baltic Sea belonging to Finland.

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Bahrain

Bahrain (البحرين), officially the Kingdom of Bahrain (مملكة البحرين), is an Arab constitutional monarchy in the Persian Gulf.

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Bandwidth (signal processing)

Bandwidth is the difference between the upper and lower frequencies in a continuous band of frequencies.

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Belfast

Belfast (is the capital city of Northern Ireland, located on the banks of the River Lagan on the east coast of Ireland.

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Belgium

Belgium, officially the Kingdom of Belgium, is a country in Western Europe bordered by France, the Netherlands, Germany and Luxembourg.

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Bristol

Bristol is a city and county in South West England with a population of 456,000.

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Bulgaria

Bulgaria (България, tr.), officially the Republic of Bulgaria (Република България, tr.), is a country in southeastern Europe.

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Contact (amateur radio)

An amateur radio contact, more commonly referred to as simply a "contact", is an exchange of information between two amateur radio stations.

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Croatia

Croatia (Hrvatska), officially the Republic of Croatia (Republika Hrvatska), is a country at the crossroads of Central and Southeast Europe, on the Adriatic Sea.

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Crossband operation

Crossband (cross-band, cross band) operation is a method of telecommunication in which a radio station receives signals on one frequency and simultaneously transmits on another for the purpose of full duplex communication or signal relay.

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Cyprus

Cyprus (Κύπρος; Kıbrıs), officially the Republic of Cyprus (Κυπριακή Δημοκρατία; Kıbrıs Cumhuriyeti), is an island country in the Eastern Mediterranean and the third largest and third most populous island in the Mediterranean.

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Czech Republic

The Czech Republic (Česká republika), also known by its short-form name Czechia (Česko), is a landlocked country in Central Europe bordered by Germany to the west, Austria to the south, Slovakia to the east and Poland to the northeast.

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Denmark

Denmark (Danmark), officially the Kingdom of Denmark,Kongeriget Danmark,.

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Dublin

Dublin is the capital of and largest city in Ireland.

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DXing

DXing is the hobby of receiving and identifying distant radio or television signals, or making two way radio contact with distant stations in amateur radio, citizens' band radio or other two way radio communications.

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Eastern Europe

Eastern Europe is the eastern part of the European continent.

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Estonia

Estonia (Eesti), officially the Republic of Estonia (Eesti Vabariik), is a sovereign state in Northern Europe.

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Faroe Islands

The Faroe Islands (Føroyar; Færøerne), sometimes called the Faeroe Islands, is an archipelago between the Norwegian Sea and the North Atlantic, about halfway between Norway and Iceland, north-northwest of Scotland.

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Finland

Finland (Suomi; Finland), officially the Republic of Finland is a country in Northern Europe bordering the Baltic Sea, Gulf of Bothnia, and Gulf of Finland, between Norway to the north, Sweden to the northwest, and Russia to the east.

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Frequency modulation

In telecommunications and signal processing, frequency modulation (FM) is the encoding of information in a carrier wave by varying the instantaneous frequency of the wave.

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Germany

Germany (Deutschland), officially the Federal Republic of Germany (Bundesrepublik Deutschland), is a sovereign state in central-western Europe.

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Gibraltar

Gibraltar is a British Overseas Territory located at the southern tip of the Iberian Peninsula.

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Greece

No description.

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Greenland

Greenland (Kalaallit Nunaat,; Grønland) is an autonomous constituent country within the Kingdom of Denmark between the Arctic and Atlantic Oceans, east of the Canadian Arctic Archipelago.

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Guernsey

Guernsey is an island in the English Channel off the coast of Normandy.

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Hertfordshire

Hertfordshire (often abbreviated Herts) is a county in southern England, bordered by Bedfordshire to the north, Cambridgeshire to the north-east, Essex to the east, Buckinghamshire to the west and Greater London to the south.

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High frequency

High frequency (HF) is the ITU designation for the range of radio frequency electromagnetic waves (radio waves) between 3 and 30 megahertz (MHz).

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Hungary

Hungary (Magyarország) is a country in Central Europe that covers an area of in the Carpathian Basin, bordered by Slovakia to the north, Ukraine to the northeast, Austria to the northwest, Romania to the east, Serbia to the south, Croatia to the southwest, and Slovenia to the west.

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Internet Radio Linking Project

The Internet Radio Linking Project, also called IRLP, is a closed-source project that links amateur radio stations around the world by using Voice over IP (VoIP).

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Ionosphere

The ionosphere is the ionized part of Earth's upper atmosphere, from about to altitude, a region that includes the thermosphere and parts of the mesosphere and exosphere.

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Isle of Man

The Isle of Man (Ellan Vannin), also known simply as Mann (Mannin), is a self-governing British Crown dependency in the Irish Sea between the islands of Great Britain and Ireland.

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Israel

Israel, officially the State of Israel, is a country in the Middle East, on the southeastern shore of the Mediterranean Sea and the northern shore of the Red Sea.

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Italy

Italy (Italia), officially the Italian Republic (Repubblica Italiana), is a sovereign state in Europe.

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Jersey

Jersey (Jèrriais: Jèrri), officially the Bailiwick of Jersey (Bailliage de Jersey; Jèrriais: Bailliage dé Jèrri), is a Crown dependency located near the coast of Normandy, France.

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Latvia

Latvia (or; Latvija), officially the Republic of Latvia (Latvijas Republika), is a sovereign state in the Baltic region of Northern Europe.

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Luxembourg

Luxembourg (Lëtzebuerg; Luxembourg, Luxemburg), officially the Grand Duchy of Luxembourg, is a landlocked country in western Europe.

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Madeira

Madeira is a Portuguese archipelago situated in the north Atlantic Ocean, southwest of Portugal.

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Meteoroid

A meteoroid is a small rocky or metallic body in outer space.

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Monaco

Monaco, officially the Principality of Monaco (Principauté de Monaco), is a sovereign city-state, country and microstate on the French Riviera in Western Europe.

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Morse code

Morse code is a method of transmitting text information as a series of on-off tones, lights, or clicks that can be directly understood by a skilled listener or observer without special equipment.

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Namibia

Namibia, officially the Republic of Namibia (German:; Republiek van Namibië), is a country in southern Africa whose western border is the Atlantic Ocean.

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Netherlands

The Netherlands (Nederland), often referred to as Holland, is a country located mostly in Western Europe with a population of seventeen million.

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North London

North London is the northern part of London, England.

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Norway

Norway (Norwegian: (Bokmål) or (Nynorsk); Norga), officially the Kingdom of Norway, is a unitary sovereign state whose territory comprises the western portion of the Scandinavian Peninsula plus the remote island of Jan Mayen and the archipelago of Svalbard.

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Packet radio

Packet radio is a form of packet switching technology used to transmit digital data via wireless communications.

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Poland

Poland (Polska), officially the Republic of Poland (Rzeczpospolita Polska), is a country located in Central Europe.

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Portugal

Portugal, officially the Portuguese Republic (República Portuguesa),In recognized minority languages of Portugal: Portugal is the oldest state in the Iberian Peninsula and one of the oldest in Europe, its territory having been continuously settled, invaded and fought over since prehistoric times.

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Professional mobile radio

Professional mobile radio (also known as private mobile radio (PMR) in the UK and land mobile radio (LMR) in North America) are field radio communications systems which use portable, mobile, base station, and dispatch console radios.

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Radio Society of Great Britain

The Radio Society of Great Britain (RSGB), first founded in 1913 as the London Wireless Club, is the United Kingdom's recognised national society for amateur radio operators.

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Republic of Ireland

Ireland (Éire), also known as the Republic of Ireland (Poblacht na hÉireann), is a sovereign state in north-western Europe occupying 26 of 32 counties of the island of Ireland.

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Romania

Romania (România) is a sovereign state located at the crossroads of Central, Eastern, and Southeastern Europe.

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Saint Helena

Saint Helena is a volcanic tropical island in the South Atlantic Ocean, east of Rio de Janeiro and 1,950 kilometres (1,210 mi) west of the Cunene River, which marks the border between Namibia and Angola in southwestern Africa.

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Simplex communication

Simplex communication is a communication channel that sends information in one direction only.

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Single-sideband modulation

In radio communications, single-sideband modulation (SSB) or single-sideband suppressed-carrier modulation (SSB-SC) is a type of modulation, used to transmit information, such as an audio signal, by radio waves.

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Slovakia

Slovakia (Slovensko), officially the Slovak Republic (Slovenská republika), is a landlocked country in Central Europe.

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Slovenia

Slovenia (Slovenija), officially the Republic of Slovenia (Slovene:, abbr.: RS), is a country in southern Central Europe, located at the crossroads of main European cultural and trade routes.

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Somalia

Somalia (Soomaaliya; aṣ-Ṣūmāl), officially the Federal Republic of SomaliaThe Federal Republic of Somalia is the country's name per Article 1 of the.

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South Africa

South Africa, officially the Republic of South Africa (RSA), is the southernmost country in Africa.

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Spain

Spain (España), officially the Kingdom of Spain (Reino de España), is a sovereign state mostly located on the Iberian Peninsula in Europe.

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Sporadic E propagation

Sporadic E or Es is an unusual form of radio propagation using characteristics of the Earth's ionosphere.

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Television

Television (TV) is a telecommunication medium used for transmitting moving images in monochrome (black and white), or in colour, and in two or three dimensions and sound.

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Troposphere

The troposphere is the lowest layer of Earth's atmosphere, and is also where nearly all weather conditions take place.

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United Arab Emirates

The United Arab Emirates (UAE; دولة الإمارات العربية المتحدة), sometimes simply called the Emirates (الإمارات), is a federal absolute monarchy sovereign state in Western Asia at the southeast end of the Arabian Peninsula on the Persian Gulf, bordering Oman to the east and Saudi Arabia to the south, as well as sharing maritime borders with Qatar to the west and Iran to the north.

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United Kingdom

The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain,Usage is mixed with some organisations, including the and preferring to use Britain as shorthand for Great Britain is a sovereign country in western Europe.

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United States

The United States of America (USA), commonly known as the United States (U.S.) or America, is a federal republic composed of 50 states, a federal district, five major self-governing territories, and various possessions.

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Very high frequency

Very high frequency (VHF) is the ITU designation for the range of radio frequency electromagnetic waves (radio waves) from 30 to 300 megahertz (MHz), with corresponding wavelengths of ten to one meter.

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Wave propagation

Wave propagation is any of the ways in which waves travel.

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6-meter band

The 6-meter band is the lowest portion of the very high frequency (VHF) radio spectrum allocated to amateur radio use.

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Redirects here:

4 meter band, 4 meters, 4 metres, 4-metre band, 4m band.

References

[1] https://en.wikipedia.org/wiki/4-meter_band

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