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When: December 12, 2019 | 2-3 pm, Eastern Time
Presenter: Dr. Michael Dennis, National Geodetic Survey
Webinar Description: An era will soon end. In 1959, the name “U.S. survey foot” was given to an existing definition so that its use could temporarily continue alongside the new “international foot.” After December 31, 2022, only the international foot definition will be used in the United States: 1 foot = 0.3048 meter exactly (but simply called the “foot”). That will stop the simultaneous use of two nearly identical foot versions that differ by only 0.01 foot per mile.
NGS and the National Institute of Standards and Technology have collaborated to resolve the problem of two feet, as described in this webinar by:
- Giving an overview of the history
- Providing examples of problems encountered
- Summarizing public comments received
- Charting a path forward as part of modernizing the National Spatial Reference System
The intent is to provide national uniformity of length measurement in an orderly fashion with minimum disruption. It will end a dilemma that has persisted for over 60 years.
Technical Content: Intermediate (Some prior knowledge of the topic is helpful).
Register for this webinar HERE
Materials to help you prepare for the webinar: These materials are not prerequisites to attend the webinar. However, your familiarity with the topics and terminology from the resources listed below will likely help you get more out of the webinar.
- Previous related webinar: Fate of the U.S. Survey Foot after 2022: A Conversation with NGS (April 25, 2019)
As a reminder, the NGS Webinar Series hosts presentations on various topics related to NGS programs, projects, products and services to educate constituents about NGS activities.
- View our upcoming schedule.
- View recordings of previous webinars.
- Have a question? View our webinar FAQs or email the NGS Info Center