Comtech Telecommunications Corp., a maker of advanced communications equipment for the civilian and military markets, is laying off 40 employees at a Tampa, Florida, facility run by a company it acquired in February 2016, according to a government filing.

Comtech, based in Melville, disclosed the layoffs in a Worker Adjustment and Retraining Notification filing with the Florida Department of Economic Opportunity.

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The filing said the professional, scientific and technical services employees would be laid off through June 14.

The Tampa facility was operated by Telecommunication Systems Inc., now a unit of Comtech. Comtech acquired Telecommunication Systems, based in Annapolis, Maryland, for $430.8 million.

A call seeking comment from Comtech was not immediately returned.

Shares of Comtech closed up more than 3 percent to $15.04 on the Nasdaq Global Select Market. Shares are down about 35 percent in the past 12 months.