The KUT meteor radar: An educational low cost meteor observation system by radio forward scattering IMC th International Meteor Conference June 2-5, Egmond - the Netherlands By: Waleed Madkour Kochi University of Technology, Japan

Fukui Kochi

Practical study of the maximum possible use of meteor forward scattering in Astronomy, Atmospheric science and Communication – in low budget environment.

KUT Otoyo Aki ~15km

Meteor echoes from forward scattering Astronomy Mesospheric observations Meteor burst communication

Meteor echoes from forward scattering Astronomy Mesospheric observations Meteor burst communication

“Meteor Echo Counter” Scans HROFFT images by image processing, eliminates noise and generates summarized text files HROFFT Meteor Echo Counter

HROFFT Meteor Echo Counter Meteor echoes duration

HRO_IF_VIEW Better accuracy for long duration echoes

Under certain assumptions meteors trajectory and velocity are automatically observed Objective is the determination of meteors origin. HRO_TRA

Meteor echoes from forward scattering Astronomy Mesospheric observations Meteor burst communication

Secondary Ozone maxima ~85-95 km M + + O 3  MO + + O 2 MO + + e -  M + O Kochi Fukui Ionized meteor trail KUT meteor radar at Kochi uses forward scattering of radio signals from ionized meteor trails transmitted from Fukui prefecture In the meteor echoes duration distribution versus number of echoes, lack of long duration meteor echoes is observed The reason behind this lack could be the existence of secondary ozone maxima in the meteor region Ozone oxidizes meteoric ions and ionization is lost, radio signals are not scattered back to earth First Ozone maxima

Meteor echo counts Duration Knee Curve

2779 meteor echoes 2431 meteor echoes

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Ozone is rapidly dissociated by solar radiation and number of echoes with long duration increase. Solar activity Ozone concentration Meteor Echoes

Meteor echoes from forward scattering Astronomy Mesospheric observations Meteor burst communication

:Mobile coverage Safari trips Telemetry Maritime

Remote mobile station : Dual mode Temperature sensor->Arduino->Android->Transceiver KUT central station Frequency of 144 MHz will be used to decrease the size of antenna.

Vacancy Title: PhD candidate – replacement of me. Start date: April Special Scholarship Program *Optical observation, infrasound is also available For more info contact me: or Check KUT website: