Radar observations of highly-transient meteor and related plasma phenomena at Jicamarca Radio Observatory

John David Mathews, B. Gao, Q. Zhu

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Abstract

    We describe a variety of MLT (Mesosphere, Lower Thermosphere) transient - microsecond through a few seconds - phenomena observed at the Jicamarca Radio Observatory (JRO) with a few additional examples from Arecibo Observatory (AO). The primary source of these transient events is the meteoroid flux. However, a significant fraction are likely electrodynamic in nature and include EEJ- (Equatorial ElectroJet) and 150 km echo-related phenomena. These results introduce new HARM (High Altitude Radar Meteor; B. Gao, and J. D. Mathews, Mon. Not. R. Astron. Soc., 446, 2015, pp. 3404-3415, doi: 10.1093/mnras/stu2176) events extending to ∼180 km altitude. Also given are examples of meteoroid fragmentation and flaring and detailed observations of Field-Aligned Irregularity (FAI) and RSTE (Range-Spread, Trail-Echo) development following meteoroid flares. New features of these observations include the simultaneous use of six-receiver interferometry (holography) for angle-of-arrival-ambiguity removal and a hybrid interferometry/compressed-sensing technique that yields unprecedented spatial and temporal resolution of transient events.

    Original languageEnglish (US)
    Title of host publication2015 1st URSI Atlantic Radio Science Conference, URSI AT-RASC 2015
    PublisherInstitute of Electrical and Electronics Engineers Inc.
    ISBN (Electronic)9789090086286
    DOIs
    StatePublished - Oct 21 2015
    Event1st URSI Atlantic Radio Science Conference, URSI AT-RASC 2015 - Gran Canaria, Spain
    Duration: May 16 2015May 24 2015

    Other

    Other1st URSI Atlantic Radio Science Conference, URSI AT-RASC 2015
    CountrySpain
    CityGran Canaria
    Period5/16/155/24/15

    All Science Journal Classification (ASJC) codes

    • Communication
    • Computer Networks and Communications

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    Mathews, J. D., Gao, B., & Zhu, Q. (2015). Radar observations of highly-transient meteor and related plasma phenomena at Jicamarca Radio Observatory. In 2015 1st URSI Atlantic Radio Science Conference, URSI AT-RASC 2015 [7303166] Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/URSI-AT-RASC.2015.7303166