IDEA #2Y7FWQ UHF radio wave attenuation factor distance dependence database

UHF RADIO WAVE ATTENUATION FACTOR DISTANCE DEPENDENCE DATABASE INSTITUTE OF RADIOPHYSICS AND ELECTRONICS was developed on the base of experimental data obtained in different regions of the Atlantic, In- dian, Arctic and Pacific Oceans. The database itself consists from a set of experimental data arrays, organized as a database, and application programs package, allows working with this da- tabase and to solve rationally the problems in question. Images and presentation Contact Details Name of organization: Institute of Radiophysics and Electronics of NAS of Ukraine Contact person: Mytsenko I.M. Address: 12 Ac. Proskura Str., 61085, Kharkov, Ukraine Telephone: (380-57) 720-33-40 Fax: (380-57) 315-21-05 Email: rk@ire.kharkov.ua Description Almost each sea-going vessel is known to be equipped with navigation, communication and other radio engineering facilities that serve to se- cure the safety of navigation and are chiefly oper- ated at UHF-wave band. The key parameter of a propagation path is the (radio) wave attenuation factor V and its distance dependence ( )V r . A di- versity of meteofactors influencing the radio sig- nal attenuation over the oceanic expanses and the lack of experimental data could be routinely ac- quired were the compelling reasons to develop the attenuation factor distance dependence database. Innovative aspect and main advantages: The database allows solving the following prob- lems: - to determine parameters of radar, navigational and another radio engineering systems developed to provide necessary coverage range in the World Ocean regions in question; - to make coverage range diagnosis and forecast for existing and exploited radar, navigational and another radio engineering systems in the World Ocean regions in question, which improve ship- ping safety; - to conduct continual monitoring of UHF wave propagation conditions in various regions of the World Ocean with efficient notifying those inter- ested in it. Areas of Application The distance dependences of the attenuation fac- tor for the UHF waves may find their practical use in designing and developing the radio engineering facilities that are capable of operating over oce- anic surfaces and in validating the existing theo- retical radio wave propagation models. Stage of Development: The database of radio wave attenuation factor dis- tance dependences for ranges in 20÷600 km