MacLoggerDX HD is an Amateur Radio application that monitors the spots from your favourite DX Cluster for DXing, Contesting or casual rag-chewing. It Alerts you to rare Ham Radio contacts or band openings by looking up and displaying real time propagation paths on a zoomable map. MacLoggerDX HD can log your contacts to a super fast sql database. MacLoggerDX HD includes ADIF import, export and Log syncing with MacLoggerDX desktop.