 MELVILLE, N.Y.--BUSINESS WIRE--October 4, 2021-- Comtech Telecommunications Corp. NASDAQ: CMTL, a leading global provider of next-generation 911 emergency systems and secure wireless communications technologies, announced today that its President and Chief Operating Officer Michael Porcelain will become Chief Executive Officer, succeeding Fred Kornberg, by the end of calendar 2021. Mr. Porcelain will also continue as President of Comtech and join its Board of Directors. It is anticipated th 