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The Firefly Satellite Mission at Siena

The Firefly Satellite Mission at Siena. Student Participation. Selected Student Projects. VLF Receiver Design Data Processing Digital Filter Design GIS & Lightning Mapping. 12 Undergraduates 3 High-school Students 3 Departments Physics & Astronomy Computer Science

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The Firefly Satellite Mission at Siena

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  1. The Firefly Satellite Mission at Siena Student Participation Selected Student Projects VLF Receiver Design Data Processing Digital Filter Design GIS & Lightning Mapping • 12 Undergraduates • 3 High-school Students • 3 Departments • Physics & Astronomy • Computer Science • Environmental Studies • Classroom Integration • PHYS 230: Electronics • PHYS 250: Computational Some Firefly Team Members Students building satellites!

  2. Some Cool Lightning Facts

  3. Lightning Strikes

  4. What are VLF and ELF Waves? VLF waves recorded at Siena College

  5. VLF Waves at About 24.8 KHz Amplitude (Peak-to-Peak)  Radio Signal  1 Cycle = 7.5 Miles (12 KM)  Distance traveled over time  How to make this Computation? Speed of light: c = 186,000 Miles/Sec (300,000 KM/Sec) Frequency: f = 24,800 Cycles/Sec Wave Length:  = c / f Miles (or KM) / Cycle

  6. Lighting-VLF Studies in Antarctica?

  7. SID Low Cost (~$150) Single band 1 sample/5 seconds Preassembled & tuned Students build antenna Available free to underserved schools from Stanford University. AWESOME Moderate cost (~$3000) Broadband; sample rate of 100kHz on each channel Capture ELF/VLF frequencies ~30 Hz - 50kHz Dual use system: Daytime: monitor solar activity Nighttime: monitor atmospheric phenomena (e.g. lightning) So sensitive that nearly any signal above the ambient Earth noise floor can be detected Data useable for ionospheric and solar researchers Ground-basedVLF Monitors See http://solar-center.stanford.edu/~SID

  8. What is a VLF RECEIVER

  9. AWESOME VLF RECEIVER http://solar-center.stanford.edu/SID/AWESOME/

  10. Student Deployed VLF Antennas at Siena College Winter in NY  Summer in NY 

  11. Firefly will employ on-board and ground-based VLF measurements.

  12. Courtesy of Stanford University

  13. The Firefly Satellite Mission • Student Profile • Undergraduate physics major Robert Carroll was the student lead on the lightning photodetector design. • A primary task was to calculate the field of view of the photodetector and the overlap function. • Minimum and maximum field of view were calculated based on the geometry of the photo detector and collimator. Firefly’s Optical and VLF Board Students building satellites!

  14. The Firefly Satellite Mission • Student Profile • Andrew, a junior high school student, works on the Lego MINDSTORM mission. Students building satellites!

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