The Recent Meteor Radar at Penn State: Design, Implementation, and Observations

Details The Recent Meteor Radar at Penn State: Design, Implementation, and Observations The Recent Meteor Radar at Penn State: Design, Implementation, and Observations

Dec 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009agufmsa12b..04u&link_type=abstract

American Geophysical Union, Fall Meeting 2009, abstract #SA12B-04

Physics

[0394] Atmospheric Composition And Structure / Instruments And Techniques, [2442] Ionosphere / Meteor-Trail Physics, [3360] Atmospheric Processes / Remote Sensing

Scientific paper

Information on the basic properties of the global meteor flux, such as average mass, velocity, and chemical composition are important in understanding their impact on upper atmospheric physics. One of the most reliable and effective means to acquire such global information is by radar remote sensing. In an effort to provide new and improved meteor radar sensing capabilities, Penn State has been developing advanced instruments and technologies for future meteor radars, with primary objectives of making such instruments more capable and more cost effective. Using low-cost FPGAs, combined with open source software tools, we describe a design methodology enabling one to develop state-of-the art radar instrumentation, by developing a generalized instrumentation core that can be customized using specialized output stage hardware. Furthermore, using object-oriented programming (OOP) techniques and open-source tools, we illustrate a technique to provide a cost-effective, generalized software framework to uniquely define an instrument’s functionality through a customizable interface, implemented by the designer. The new instrument is intended to provide instantaneous profiles of atmospheric parameters and climatology on a daily basis throughout the year. The system uses a VHF coaxial-collinear antenna array, oriented perpendicular to the Earth’s magnetic field lines. In this paper, an overview of the instrument design concepts and some of the emerging technologies developed for this meteor radar will be discussed. We will also present first observational trends of specular, non-specular, and head-echoes collected with the new system.

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