No. 501 Signal Unit is an
Indian Air Force
The Indian Air Force (IAF) (ISO 15919, ISO: ) is the air force, air arm of the Indian Armed Forces. Its primary mission is to secure Indian airspace and to conduct aerial warfare during armed conflicts. It was officially established on 8 Octob ...
Signal Unit based at Barnala Air Force Station in
Barnala
Barnala is a city in the Indian state of Punjab. Barnala city serves as the headquarters of the Barnala district which was formed in 2006. Prior to the formation of Barnala district, the city was located in Sangrur district. It is a centrally ...
, Punjab State, India.
History
The unit was raised on 5 October 1964 at 9 Wing of the Indian Air Force. In May 1965, it was shifted to Barnala and started operating the Star Sapphire
radar
Radar is a system that uses radio waves to determine the distance ('' ranging''), direction ( azimuth and elevation angles), and radial velocity of objects relative to the site. It is a radiodetermination method used to detect and track ...
. The unit converted to the THD radar in January 1981.
In September 1982, it was renamed to 42 Signal Unit and was nicknamed Madbees (Master of Air Defence Barnala). In September 1991, it reverted to its original name of 501 Signal Unit.
The unit was awarded the presidential standard on 10 November 2016.
Equipment
* Star Sapphire radar
* THD radar
References
{{Indian Air Force
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* AD 105, a year in the 2nd century AD
* 105 BC, a year in the 2nd century BC
* 105 (telephone number), the emergency telephone number in Mongolia
* 105 (MBTA bus), a Massachusetts Bay Transport Authority ...
Military communications units and formations