Photograhic gallery
Pacific Northwest Tiltmeters
Photographs from the biaixal tiltmeter near Olympia at the Shelton airport.
 Corner vault with mounts and end caps for both tiltmeter arms. |
 Mounting electronics & float reservoirs. |
 Working tiltmeter with voltage meter. |
 Close up view of solar panels. |
 Driving steel monument piles 30ft deep with pneumatic hammer. |
 Looking across the east-west arm of a 500 meter tiltmeter. |
 Radio telemetry links to computer. Data saved every five mins, for each of the six recording instruments |
 Complete corner vault with solar and telemetry packages, Note yellow building in upper left corner where the data is archived. |
 Each manhole is capped with a rebar reinforced concrete cap. |
 Surface view of vault entry. |