Wideband digital low-frequency radio receiver


Füllekrug, M., 2009. Wideband digital low-frequency radio receiver. Measurement Science and Technology, 21 (1), 015901.

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A wideband digital low-frequency radio receiver for scientific applications is described. The portable battery-powered instrument has the capability to record electric field strengths in the frequency range from ~4 Hz to ~400 kHz with a sampling frequency of 1 MHz, an amplitude resolution of ~35 µV and a timing accuracy of ~12 ns whilst performing continuous digital waveform recordings for several days. The instrument strictly follows a modular design such that it can be extended to higher frequencies and timing accuracy when the corresponding digital technology becomes available. The low-cost radio receiver can be developed into an interferometric network by synchronizing individual radio receivers to map the low-frequency radio sky. The first measurements of atmospheric electric fields are carried out at Exmoor National Park in Southwest England to illustrate the capabilities of the novel instrument.


Item Type Articles
CreatorsFüllekrug, M.
DepartmentsFaculty of Engineering & Design > Electronic & Electrical Engineering
Research CentresCentre for Space, Atmospheric and Oceanic Science
ID Code17055


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