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Proposal Identification No.:

T2400

Date Received:

2008-Feb-04 11:51:40

Technical Page
Proposal Type: General Category: Sub-Category: Observation Category: Total Time Requested: Minimum Useful Time: Prop osal Title: ABSTRACT: Regular Terrestrial Aeronomy Radar Ionosphere 80 Hours none

Effects of Whistler Waves on Space Weather over Arecibo

Our several experiments conducted in 2004 and 2005/2006 have yielded interesting results published recently in one GRL and two JGR papers. They include three physical processes: (1) interactions of NAU whistlers with ionospheric plasmas [Labno et al., JGR, 2007], (2) NAU whistler-electron interactions in inner radiation belts [Pradipta et al., GRL, 2007], and (3) ionospheric turbulence over Arecibo triggered by Sumatra tsunami-launched gravity waves on December 26, 2004 [Lee et al., JGR, 2008]. Encouraged by these results, we propose to conduct experiments to further investigate ionospheric effects induced by NAU-launched 40.75 kHz whistler waves. Two phenomena will be investigated: (1) possible effects on spread F caused by NAU-triggered particle precipitation, and (2) backscattered NAU whistler waves interacting with ionospheric plasmas [please see attached proposal]. These experiments will be conducted primarily by three graduate students for their thesis research under the supervision of the two P.I.s.

Name Min-Chang Lee

Institution BU/MIT

E-mail mclee@mit.edu

Phone 617-253-5956

Student no

Remote Observing Request

X

Observer will travel to AO Remote Observing In Absentia (instructions to operator)

Instrument Setup
430 CH radar Atmospheric Observation Instruments: Fabry-Perot Ionosonde Lidar Description of Observer Equipment: All Sky Imaging System (ASIS) and VLF/LF receiving 1


system. Sp ecial Equipment or setup: none

RFI Considerations Frequency Ranges Planned
none This proposal requires coordination with GPS L3 at 1381 MHz.

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