Community:Email 25nov09

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This is a generic mailing to the CEDAR community sent Nov 25, 2009. Meetings and jobs are listed at under 'Community' as 'Calendar of Meetings' and 'CEDAR related opportunities'. CEDAR email messages are under 'Community' as 'CEDAR email Newsletters'. All are in 'Quick Links' on the main page.

(1) Fall 2009 CEDAR Post on-line and via email. Submitted by Jeff Thayer ( See also (click on Post).

(2) International Global Navigation Satellite Systems (IGNSS) Society meeting 30 November-03 December 2009 in Queensland, Australia. From URSI Commission G mailing on 21 Nov by Mike Rietveld ( See also

(3) Edmond Dewan Young Scientist Scholarship at AGU. From Jeremy Winick ( See also

(4) Post-Doc at Space Physics Research Lab at Embry Riddle in Florida. From Abas Sivjee ( See also

(5) Job at University of Nottingham, UK with Global Navigation Satellite Systems (GNSS) - application due 7 December. Submitted by Fabiano Rodrigues ( Inquiries to Marcio Aquino ( See also

(1) Fall 2009 CEDAR Post on-line and via email.

From Jeff Thayer ( and Barbara Emery (

The Fall 2009 CEDAR Post #56 is online at (click on Post) as a good quality 14.1 MB file and a lower resolution 1.2 MB file for email purposes. This Post will be mailed out to the community as usual, but the CEDAR Post will go completely electronic by 2010. A list of 50 who replied they prefer a printed Post to web or email versions in the 2009 CEDAR Workshop registration survey is on-line on the Post page. This list can be added to or revised by those with CEDAR wiki or database logins. Alternatively, please email Barbara Emery ( to get on this paper mailing list.

Starting with this issue, a low-resolution (1.2 MB this issue) form of the CEDAR Post will be emailed to the community via the CEDAR email list. Those who prefer a paper copy can delete their email copies which will arrive much earlier in time than the printed copy. Since some emailer locations may not be able to accept the relatively small .pdf Post because of its size, it will go out separately from other community announcements. Those who prefer the better quality pictures in the web version can make their personal copy from the web.

(2) International Global Navigation Satellite Systems (IGNSS) Society meeting 30 November-03 December 2009 in Queensland, Australia.

From URSI Commission G mailing on 21 Nov by Mike Rietveld (

Please see the web page of the International Global Navigation Satellite Systems (IGNSS) Society at for their mission and for details of the 2009 IGNSS meeting in Gold Coast, Queensland, Australia from 30 November to 3 December, 2009.

(3) Edmond Dewan Young Scientist Scholarship at AGU.

From Jeremy Winick (

Dear Friends and Colleagues of Dr. Edmond M. Dewan,

If you don't know the sad story of the last few years, I will briefly summarize it here. Otherwise skip the next paragraph.

Edmond Dewan suffered a stroke at the end of July in 2007. He had a slow rehabilitation over the next two years and this spring was starting to get back to work a day or so a week. His stroke affected his body, with weakness and inability to move one side, and he was confined to a wheelchair. His mind was not affected and he could still take part in active conversation on matters of science. He did have trouble reading and of course writing. His progress was slow, but the times colleagues would visit him, and during his unfortunately brief returns to his office were the highlights of his past year. Unfortunately over this past July 4 weekend he suffered a massive stroke and passed away about a week later.

Edmond Dewan worked for the Air Force for 52 years at Hanscom Air Force Base. Edmond was a longtime member of the American Geophysical Union (AGU). With this in mind, the Dewan family has created the Dr. Edmond M. Dewan Young Scientist Scholarship through AGU to honor Edmond's career as a physicist, inventor, and explorer of a wide range of subjects. The fund will provide financial assistance to deserving graduate students of atmospheric sciences or space physics.

If you would like to contribute to the Dr. Edmond M. Dewan Young Scientist Scholarship, you can do it in a number of ways. Send a check payable to "AGU" with a note in the memo portion or in a cover letter indicating that the funds should be directed to the "Dr. Edmond M. Dewan Young Scientist Scholarship." The address is:

American Geophysical Union
Accounting Department
2000 Florida Avenue NW
Washington, DC 20009

The scholarship fund is also accessible online at:

If you are an AGU member, donations can be made at the AGU web site as part of your membership renewal. Please Select the Student Grants, Scholarships, Activities and click on the Dr. Edmond M. Dewan Scholarship.

Please feel free to pass this information on to any other colleagues that might be interested. I apologize if you have already received this information from some other source.

-- Jeremy Winick (

(4) Post-Doc at Space Physics Research Lab at Embry Riddle in Florida.

From Abas Sivjee (

A Post Doctoral Fellow (PDF) position is available in the Space Physics Research Laboratory (SPRL) of Embry Riddle Aeronautical University (ERAU). Initial appointment will be for a one year period, with a possibility (upon satisfactory performance) of a renewal for the second year. The successful candidate will be involved in electro-optical research systems development, calibration, field operation at six globally distributed stations and in data analyses. Research in SPRL focuses on joint Radar and Electro-Optical Remote-Sensing of Auroral processes, Magnetosphere-Ionosphere Interactions, Radio Heating of the Polar Ionosphere, and Upper Atmospheric Disturbances as well as Dynamics in both the Arctic and the Antarctic regions. Candidates for this position must have completed a Ph.D. in Physics, Electrical Engineering or allied Sciences and Engineering fields. Annual stipend will depend on the successful candidate's research experience.

Applications for this PDF position should be sent to: Dr. G. G. Sivjee (, Director, Space Physics Research Laboratory, Professor of Engineering Physics, Embry Riddle Aeronautical University, 600 South Clyde Morris Boulevard, Daytona Beach, FL 32114-3966. See also

(5) Job at University of Nottingham, UK with Global Navigation Satellite Systems (GNSS) - application due 7 December.

From Fabiano Rodrigues (

Research Associate/Fellow in Global Navigation Satellite Systems (GNSS) Ionospheric Research

Reference : ENG362X1, Closing Date : 07 December 2009, Salary : #24,152 to #35,469 per annum, depending on qualifications and experience (salary can progress to #38,757 per annum, subject to performance) - (#26,391 maximum without PhD)

This post is available from early in 2010 and will be offered on a fixed-term contract for a period of three years

Division of Infrastructure & Geomatics, Institute of Engineering Surveying & Space Geodesy (IESSG)

Applications are invited for the above post in the Faculty of Engineering (Division of Infrastructure and Geomatics) Institute of Engineering Surveying and Space Geodesy (IESSG), based on the University of Nottingham Innovation Park, UK. This is an exciting opportunity to join the IESSG, which is internationally recognised for excellence in research in the field of Global Navigation Satellite Systems (GNSS). This is an area where major developments are currently taking place, including the completion of Europe's own system, Galileo. Although existing GNSS systems, such as the US Global Positioning System (GPS), underpin a significant part of modern infrastructure, including financial markets, telecoms, power generation and distribution as well as transport and emergency services, they suffer from a number of known vulnerabilities. One such shortcoming relates to an ionospheric disturbance known as scintillation, which causes amplitude and phase variations on the satellites signals as they cross the ionosphere. GNSS receivers are not robust against scintillation and effects range from degradation of positioning accuracy to the complete loss of signal tracking.

In January 2010, the IESSG will start a four year co-ordinated research programme with the Universities of Bath and Leeds entitled 'GNSS Scintillation: Detection, Forecasting and Mitigation', funded by a grant awarded by the EPSRC. The project benefits from industrial partnerships with several prominent collaborators, including the Belgian GNSS receiver manufacturers Septentrio, world leaders in multi-GNSS receivers.

The project aims are to quantify GNSS positioning errors and vulnerabilities over the next solar maximum, improve the UK's modeling of GNSS scintillation and develop corresponding mitigation tools. The project will include the deployment of GPS scintillation receivers and the setting up of a data collection/distribution system. The person appointed will take overall responsibility for the implementation of the data logging, storage, transmission and sharing strategies, and will be required to travel to the remote sites. They will also implement the project's data flow and collaborate strongly with their counterparts based at Bath and Leeds in research on scintillation prediction, ionospheric mapping and combined hardware and software development for scintillation mitigation. The IESSG lead a Work Package dedicated to the impact of scintillation on GNSS users and the development of mitigation strategies, in which the person appointed will liaise with the user community to incorporate their technical/operational issues in the tools that the project aims to develop.

Candidates should have (or be about to complete) a PhD in a numerate subject such as mathematics, physics, engineering or a closely related subject, and an interest in radio propagation. Ideal expertise includes the areas of geodesy and surveying, with experience in GNSS signals and error modeling. Evidence of the ability to publish research papers and to present work at conferences is required. Experience in IT and computer programming, as well as a willingness to undertake occasional fieldwork are essential for this post. Excellent communication and team work skills are fundamental to the success of this project.

Informal enquiries may be addressed to Dr M Aquino, Please note that applications sent directly to this Email address will not be accepted.