Gravity waves (GWs) are an important driver of the middle atmosphere due to their ability to carry energy and momentum from a source region far away up to the mesosphere/lower thermosphere (MLT) region. To enhance our understanding of GW filtering in the middle atmosphere and to provide suitable inputs for GW ray-tracing, a proper characterization of the GW in the mesosphere is essential. Most observations lack the information to resolve the space-time ambiguity of GW, which is necessary to determine the intrinsic GW properties.

Here we will present results from a recently installed meteor radar network in northern Germany. The current network, called MMARIA (Multi-static Multi-frequency Agile Radar for Investigating the Atmosphere) consist of two transmitters and five receiver sites, allowing 5 differnt meteor radar links. The Systems uses stations at Juliusruh (54.6°N, 13.45°E), Collm (51.3°N, 13°E) and Kuehlungsborn (54°N, 11.7°E). The multi-static geometry and as well as the number of overlapping forward scatter links increase the number of meteor detections w.r.t. monostatic systems to allow to retrieve horizontally resolved wind field, and, hence to access horizontal GW wavelength spectra. We will demonstrate the abilities of the new network and wind retrieval techniques in order to outline the potential of this observational concept to enhance our understanding of GWs in the MLT.

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*email: stober@iap-kborn.de
*Preference: Poster