Surveying Union

20/04/2025

https://ideas.lego.com/s/p:9e426aa1455445c7ae5e1d4c705e076a

A Theodolite is an instrument for high precision angle measurements used at many scientific fields, such as: Astronomy, Archaeology, Geodesy, ...

09/12/2023

Charlie Trimble provides the 4000A GPS Locator to the Smithsonian Museum. Introduced in 1984, it was the first commercial GPS positioning product. (Image: Smithsonian)

07/10/2023

19/05/2023

in 1829, RAdm Sir Francis Beaufort was appointed as Hydrographer to the Admiralty.

Beaufort served for the longest period as Hydrographer to the Admiralty, during which he invented the eponymous wind scale and introduced the first Admiralty Tide Tables.

See below a Plan of the Port and Island of Sahib surveyed by Captain Beaufort RN in 1812.

17/05/2023

When your passion runs deep for the profession you love
You can't help but share it with the people you love.

Location unknown
(c 1900-1910)

10/05/2023

ICYMI: Monitoring Power Hour: Monitoring Principles and Best Practices Series (Part 3—Geotechnical Sensors)

In this webinar, we dive into geotechnical sensors and cover the following topics: what monitoring with geotechnical sensors is, how it works, a compare/contrast with total station monitoring, common applications, and best practices.

http://ow.ly/EhEE50OkC7m

10/05/2023

Observation stored 😎

07/05/2023

This how we rolled in the 1970s.
Judging from the crew's expression,. I suspect some girl watching is going on!
The more things change, the more they stay the same!
South Florida (Press photo)
(c 1974)

25/02/2023

Many surveyors have followed in the footsteps of my grandfather Clarence Westgate Cook, CA LS1023. Here he is surveying downtown Los Angeles about 1911. Paul Cook

18/02/2023

Leveling using a pair of bottles, never seen something like that before.

22/01/2023

A short video showing the installation of the Zephyr 3 GNSS antenna at our demo site in Nantes. Benjamin Thedon Trimble Inc.