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Paper Abstract and Keywords
Presentation 2006-09-01 14:00
VHF Observations from a Small Satellite
Takeshi Morimoto, Tomoo Ushio, Zen-ichiro Kawasaki (Osaka Univ.) EMCJ2006-45
Abstract (in Japanese) (See Japanese page) 
(in English) Lightning Research Group of Osaka University (LRG-OU) has been developing VHF Broadband Digital Interferometer (DITF) to image precise lightning channels and monitor lightning activity widely. The feature of broadband DITF is its bandwidth (from 25MHz to 100MHz) and implicit redundancy for estimating VHF source location. Since the VHF broadband DITF own the superiority to image lightning channels with rather short base line, LRG-OU considers an application of BDITF to the space-borne measurement system. One of the possibilities to realize the idea is a Panel Extension Satellite (PETSAT). PETSAT may consist of some independent panels. Each panel will be designed to own individual function and the configuration of PETSAT is adjustable depending on the objectives. Since it is shown that the short baseline of DITF could accomplish the high time and space resolution for VHF source locations, we can reach an idea of VHF broadband DITF opera-tion on PETSAT. PETSAT is planed to be a low altitude satellite about several hundred kilometers from the ground, and the locations accuracy of 0.01 radians may provide us the sufficient and unique opportunity to discriminate between the active thundercloud from non active ones by satellite observations. We are expecting to launch PETSAT by 2007.
Keyword (in Japanese) (See Japanese page) 
(in English) Satellite observations / VHF EM wave / Broadband digital interferometer / / / / /  
Reference Info. IEICE Tech. Rep., vol. 106, no. 224, EMCJ2006-45, pp. 1-12, Sept. 2006.
Paper # EMCJ2006-45 
Date of Issue 2006-08-25 (EMCJ) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
and
reproduction		 All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
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Conference Information
Committee EMCJ  
Conference Date 2006-09-01 - 2006-09-01 
Place (in Japanese) (See Japanese page) 
Place (in English) Osaka Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To EMCJ 
Conference Code 2006-09-EMCJ 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) VHF Observations from a Small Satellite 
Sub Title (in English)  
Keyword(1) Satellite observations  
Keyword(2) VHF EM wave  
Keyword(3) Broadband digital interferometer  
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1st Author's Name Takeshi Morimoto  
1st Author's Affiliation Osaka University (Osaka Univ.)
2nd Author's Name Tomoo Ushio  
2nd Author's Affiliation Osaka University (Osaka Univ.)
3rd Author's Name Zen-ichiro Kawasaki  
3rd Author's Affiliation Osaka University (Osaka Univ.)
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Speaker Author-1 
Date Time 2006-09-01 14:00:00 
Presentation Time 25 minutes 
Registration for EMCJ 
Paper # EMCJ2006-45 
Volume (vol) vol.106 
Number (no) no.224 
Page pp.1-12 
#Pages 6 
Date of Issue 2006-08-25 (EMCJ) 

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