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BRAMS: a Belgian Am-Pro collaboration to detect and characterize meteors with radio techniques

BRAMS: a Belgian Am-Pro collaboration to detect and characterize meteors with radio techniques Hervé Lamy Belgian Institute for Space Aeronomy Brussels, Belgium. Meteor forward scattering. Specular reflection. Retrieval of trajectory. The BRAMS network. BEACON. 49.97 MHz 150 W

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BRAMS: a Belgian Am-Pro collaboration to detect and characterize meteors with radio techniques

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  1. BRAMS: a Belgian Am-Pro collaboration to detect and characterize meteors with radio techniques Hervé Lamy Belgian Institute for Space Aeronomy Brussels, Belgium

  2. Meteor forward scattering

  3. Specular reflection

  4. Retrieval of trajectory

  5. The BRAMS network

  6. BEACON • 49.97 MHz • 150 W • Right-handed circularly polarized

  7. A typical receiving station

  8. A typical receiving station Data are saved in audio WAV files every 5 minutes

  9. Signal analysis : spectrograms

  10. What does BRAMS provide to amateurs? • Provide all material for free (identical in all stations) • Access to data from all stations & archive of the data • Real-time observations to show to the public • A possibility to educate the public to meteors & radio science (BISA provides posters and articles)

  11. What do amateurs provide to BRAMS ? • Host of most of BRAMS stations • Save data locally on hard disks & make a copy on USB sticks (64 GB) sent every month to BISA for archiving • Electricity bill supported by BRAMS participants • Multi-stations observations allowing to retrieve meteor trajectories • Participation to some projects (e.g. automatic detection of meteors in spectrograms)

  12. BRAMS viewer

  13. BRAMS viewer

  14. BRAMS viewer

  15. BRAMS viewer

  16. Summary • BRAMS is a new tool to observe & characterize meteors • It is the result of an active Pro-Am collaboration with mutual benefit • In the future BRAMS should be extended outside of Belgium as meteors do know anything about frontiers …

  17. Website brams.aeronomy.be THANKS !

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