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Minutes from CSTG SLR/LLR Subcommission Meeting

Steering Committee

Maratea, Italy
June 13, 1997

Michael Pearlman/CFA

The general Subcommission membership was invited as observers to the Steering Committee meeting which followed the plenary session. Discussion continued on the ILTN and its Terms of Reference.

The Central Bureau is envisioned as the primary contact with the community, facilitating the policies set by the Governing Board and supported by the activities of the Working Groups. The functions of the four standing Working Groups are well defined; some issues of interface and overlap still need to be resolved. The Central Bureau will oversee the ILTN activities on a daily basis, providing communications within the ILTN, policing adherence to standards, and, in general, being the "keeper of the knowledge files". The Central Bureau should "know where everything is".

Analysis Centers can still submit individual data products to the IERS, but the Analysis Working Group needs to develop the skills to combine and compare results from different centers.

Proposals will be solicited for all ILTN participation. Everyone needs to make a commitment if this endeavor is going to be success. Current entities such as the stations, Operations Centers, Data Centers, and Analysis Centers need to reiterate the functions that they will play within the network and agree to adhere to the standards and performance specifications set by the ILTN. A proposal will be solicited for the operation of the Central Bureau, which can be distributed among several organization, using available infrastructure and resources to best advantage.

The solicitation for proposals will be issued late this year, but organizations are urged to begin developing strategies for the basis of their proposals. It was suggested that we consider a pilot stage for a year or two to work out some of the issues prior to full implementation of the ILTN. This option will be examined, but a reduced pilot phase may only serve to delay the surfacing of the real issues.

Everyone is requested to review the Terms of Reference in the light of these discussions and report any additional ideas and comments to John Degnan by the end of June. John plans to iterate the document with the community in July.

The Subcommission Steering Committee will meet in London during the third week of September at the Remote Sensing Symposium to review the updated draft and draft material for the ILTN solicitation. In the meantime, John will prepare an appendix of general information to be circulated with the updated draft and will contact Ruth Neilan for some advice on the preparation of the RFP.

A Subcommission meeting will be held in conjunction with the EGS meeting in April, when, hopefully, we should be in a position to review the incoming proposals.


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