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Calcutta Weather
WeatherTemperature
Min : 22.80°C (+3)
Max : 36.30°C (+4)
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Radio JU back on air after clash control

Radio JU has been back on air since Monday after a two-and-a-half-month break. The station, run by Jadavpur University, had gone on a forced hiatus after its frequency clashed with that of the city airport’s air traffic control, causing mid-air confusion.

The Calcutta airport authorities had complained to the Union govenment’s telecommunications department last November about the problem in communication between the air traffic control and pilots because of the signal overlap.

The station, broadcast at 90.8MHz, had clashed with the signals used by ATC.

Pilots had complained they had heard songs and other voices while trying to communicate with the ATC before landing. The International Wireless Monitoring Station, Calcutta, a wing of the department of telecommunications, had asked the university’s school of media, communications and culture, which runs Radio JU, to correct the problem.

The JU authorities had taken Radio JU off air following a directive from the telecommunications department.

Radio JU, in January, had asked Webel Mediatronics, which develops studio broadcast equipment, to undertake repairs so that 90.8MHz signals did not intrude into the 118.1MHz signals used by the ATC for communicating with pilots mid-air.

Webel Mediatronics has replaced the Radio JU FM transmitter with a new one.

“We have replaced the transmitter to ensure that the Radio JU signal no longer drifts towards the signal used by the ATC,” said Ashesh Banerjee, the general manager of Webel Mediatronics.

The International Wireless Monitoring Station checked on March 1 whether the problem was actually taken care of.

“No spurious transmission was found to be generated by the new transmitter,” Ashim Dutta, the officer-in-charge of the station, told Metro. “Therefore, we allowed Radio JU to be back on air, with the rider that a periodical monitoring mechanism has to be in place.”

Radio JU has been asked to undertake a check each fortnight.

“As advised, we will install a mechanism so that such confusion can be averted,” said JU registrar Pradip Ghosh.

Bombs found: Thirty crude bombs were found from a field in Sankrail’s Lichubagan in Howrah on Tuesday afternoon. Police discovered the bombs while they were carrying out a raid to prevent trouble on the occasion of Holi.