OCCAR News 31. December 2019 PPA Dual Band Radar X/C development The PPA Programme integrated the first two X-Band fixed sensor arrays (faces) of the new Dual Band Radar (DBR) X/C at the test bed in Pratica di Mare airfield in time for the Christmas festivities. 22. March 2019 ESSOR Architecture published The ESSOR PSs decided to publish the ESSOR Architecture, to allow the global SDR community to benefit from the expertise achieved in ten years of development, and to use it as a building block of future interoperable SDR applications. 14. March 2019 4th PPA - First Steel Cutting The First Steel Cutting ceremony for the 4th Multipurpose Patrol Ship (PPA) took place on 14th March at Riva Trigoso Shipyard (Genoa), 6 months ahead of schedule.