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Lightning detection in Poland is performed by means of a PERUN (Safir 3000) system operated by the Institute
of Meteorology and Water Management. Poland is also partly covered by a VLF/LF lightning detection system (CLDN,
Central Lightning Detection Network). Both sources of lightning data have their limitations resulting from detection technique,
limited number of sensors and geographical configuration, with the consequence of shortcomings in the data quality.
For this reason, a new network has been installed in Poland and started continuous real-time operation in May 2006. It
is LINET that covers entire Poland and is complemented by numerous sensors positioned in surrounding countries. In
2007 additional LINET sensors have been installed in Poland in order to allow exploitation of reduced baselines for efficient
achievement of total lightning. In the frame of the COST P18 Action “Physics of Lightning Flash and Its Effects”
another new Polish project started in 2006 related to regional lightning location. At present, the Local Lightning Detection
Network (LLDN) undergoes installation in the region of Warsaw. LLDN will consist of six individual stations equipped
with E-field antennae and digital recorders synchronized with GPS time signals. The aim of LLDN installation is complement
other networks covering region of Warsaw (PERUN, LINET) and to provide an additional source of lightning
CG data with high sensitivity in a relatively small area. In the paper are described general characteristics of LINET in Poland,
as well as basic characteristics and assumed performance of LLDN, which will start operation in 2008.