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Survey on Electromagnetic Interference in Weather Radars in Northwestern Italy

Electrical and Computer Engineering, Colorado State University, Fort Collins, CO 80523, USA
Arpa Piemonte, via Pio VII 9, 10135 Torino, Italy
Author to whom correspondence should be addressed.
Environments 2019, 6(12), 126;
Received: 31 October 2019 / Revised: 5 December 2019 / Accepted: 9 December 2019 / Published: 16 December 2019
(This article belongs to the Special Issue Physical Agents: Measurement Methods, Modelling and Mitigations)
Radio Frequency Interference (RFI) is one of the main issues in weather radar community. Data quality and post-processing algorithm, such as quantitative precipitation estimation and hydrometeor classification, are often affected by interferences. C-band radars share their operational frequency band with Radio Local Area Network (RLAN) and Wireless Area Network (WLAN), which may cause harmful interferences in radar systems. Nowadays, in northwestern Italy, the X-band weather radar managed by Arpa Piemonte is also receiving interfering signals. This work aims to introduce the RFIs phenomena affecting both C-band and X-band weather radars in Piemonte region, Italy. A preliminary method to detect the interfering sources at C-band is discussed, cross-checking data available in the regional database of electromagnetic sources and in-field measurements. A six-day measurement campaign was performed using the X-band radar as receiving antenna to collect an extensive dataset of interfering signals. The polarimetric features of the acquired RFI dataset are presented. The X-band RFIs show a day–night pattern, likely caused by human-related activities. The growth of wireless telecommunication systems, such as HiperLAN in northwestern Italy, and the continuous demand of electromagnetic spectrum portions make the understanding of electromagnetic interferences in weather radars the primary concern to ensure the data quality. View Full-Text
Keywords: weather radar; interferences; HiperLAN; telecommunication weather radar; interferences; HiperLAN; telecommunication
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MDPI and ACS Style

Vaccarono, M.; Chandrasekar, C.V.; Bechini, R.; Cremonini, R. Survey on Electromagnetic Interference in Weather Radars in Northwestern Italy. Environments 2019, 6, 126.

AMA Style

Vaccarono M, Chandrasekar CV, Bechini R, Cremonini R. Survey on Electromagnetic Interference in Weather Radars in Northwestern Italy. Environments. 2019; 6(12):126.

Chicago/Turabian Style

Vaccarono, Mattia, Chandra V. Chandrasekar, Renzo Bechini, and Roberto Cremonini. 2019. "Survey on Electromagnetic Interference in Weather Radars in Northwestern Italy" Environments 6, no. 12: 126.

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