The Domžale radio transmitter is a facility for medium wave broadcasting in
Domžale
Domžale (; german: Domschale)''Leksikon občin kraljestev in dežel zastopanih v državnem zboru,'' vol. 6: ''Kranjsko''. 1906. Vienna: C. Kr. Dvorna in Državna Tiskarna, p. 24. is a town and the seat of Municipality of Domžale. The town lies ...
, in
Slovenia
Slovenia ( ; sl, Slovenija ), officially the Republic of Slovenia (Slovene: , abbr.: ''RS''), is a country in Central Europe. It is bordered by Italy to the west, Austria to the north, Hungary to the northeast, Croatia to the southeast, an ...
. The transmitter is fully transistorized. It could be received easily at a medium wave frequency of 918 kHz across the whole of Europe at night-time. It was the strongest radio transmitter of the Republic of Slovenia, broadcasting the first national radio channel.
History
The first
transmitter
In electronics and telecommunications, a radio transmitter or just transmitter is an electronic device which produces radio waves with an antenna (radio), antenna. The transmitter itself generates a radio frequency alternating current, which i ...
was built in 1927 and started operation in September 1928 with the transmission from a fair in Ljubljana, and later a solemn broadcast of
Franc Finžgar talking about Slovene language and
Oton Župančič
Oton Župančič (January 23, 1878 – June 11, 1949, pseudonym ''Gojko'') was a Slovene poet, translator, and playwright. He is regarded, alongside Ivan Cankar, Dragotin Kette and Josip Murn, as the beginner of modernism in Slovene literature. ...
reading verses from his poem
Duma
A duma (russian: дума) is a Russian assembly with advisory or legislative functions.
The term ''boyar duma'' is used to refer to advisory councils in Russia from the 10th to 17th centuries. Starting in the 18th century, city dumas were for ...
. The transmitter had the power of 2.5 kilowatts, upgraded in 1932 to 5 kW and in 1939 to over 100 kW. A t-antenna with 5 wires, it was hung on two 120-metre tall steel framework masts, which were insulated against the ground. It was destroyed by German airplanes on 11 April 1941, during the
invasion of Yugoslavia
The invasion of Yugoslavia, also known as the April War or Operation 25, or ''Projekt 25'' was a German-led attack on the Kingdom of Yugoslavia by the Axis powers which began on 6 April 1941 during World War II. The order for the invasion was p ...
in
World War II
World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposin ...
.
In 1949, the reconstruction of the transmitter started under the new
socialist government. The transmitter was equipped with a 60-metre tall guyed tube mast, which was insulated against the ground. It entered service on 25 March 1951. This radio mast was replaced a little later by a 136-metre high guyed steel framework mast, which was also insulated against the ground.
In 1969, the transmitting power was increased to 200 kilowatts. In the course of the roll-out of the Geneva wave plan the transmitter got the licence to work with an output power of 600 kilowatts and the facility was renovated in the second half of the 1970s; not only were new transmitters installed, but the old radio mast was replaced by a 161-metre high guyed mast of steel tube, which is insulated against the ground. On 2 July 1991, during the
Ten Day War, the station was attacked by two
Yugoslav Mig-21
The Mikoyan-Gurevich MiG-21 (russian: Микоян и Гуревич МиГ-21; NATO reporting name: Fishbed) is a supersonic jet fighter and interceptor aircraft, designed by the Mikoyan-Gurevich Design Bureau in the Soviet Union. Its nickna ...
airplanes, and the 600-kilowatt transmitter was heavily damaged.
The feeder and the radio mast of the old transmitter from the 1950s were not damaged, so there were only short interruptions in the transmission.
In 1993, the transmitter was replaced by a new 300 kW-transmitter with equal audibility and better quality of transmission. The transmitter, manufactured by
Harris Corporation
Harris Corporation was an American technology company, defense contractor, and information technology services provider that produced wireless equipment, tactical radios, electronic systems, night vision equipment and both terrestrial and spaceb ...
in
Quincy, Illinois
Quincy ( ), known as Illinois's "Gem City", is a city in and the county seat of Adams County, Illinois, United States, located on the Mississippi River. The 2020 census counted a population of 39,463 in the city itself, down from 40,633 in 2010. ...
, has been in operation since 26 February 1993.
The transmitter was switched off on 4 September 2017 at 12:05.
See also
*
List of masts
The tallest structure in the world is the Burj Khalifa skyscraper at . Listed are guyed masts (such as telecommunication masts), self-supporting towers (such as the CN Tower), skyscrapers (such as the Willis Tower), oil platforms, electricity t ...
References
External links
* http://skyscraperpage.com/diagrams/?b57862
{{DEFAULTSORT:Domzale radio transmitter
Towers in Slovenia
Transmitter sites in Slovenia
Radio transmitter
In electronics and telecommunications, a radio transmitter or just transmitter is an electronic device which produces radio waves with an antenna. The transmitter itself generates a radio frequency alternating current, which is applied to the ...
Ten-Day War