Construction Blog
OOI Team Sets Sail for Station Papa
Tuesday, July 16, 2013
With the OOI regional cabled observatory team working at sea on the R/V Thompson, another OOI expedition set sail yesterday from the Uni ...
Cable Spooling is Under Wa
Tuesday, May 07, 2013
Engineers for the Regional Scale Nodes (RSN) component of the National Science Foundation's Ocean Observatories Initiative (OOI) are busy pre ...
OOI RSN Housings Pass Proo
Wednesday, December 12, 2012
Systems designed to operate below the surface of the ocean must survive the relentless corrosiveness of saltwater and often great pressure ...
Interface Testing of Junct
Friday, October 26, 2012
In September 2012, the RSN Junction Box engineering team at the UW Applied Physics Laboratory achieved an important milestone ...
Node Installations Complet
Sunday, August 19, 2012
Primary Node 3B has been deployed and OOI RSN primary node operations are complete. ...
Six on the Seafloor!
Friday, August 17, 2012
Another major milestone for the OOI RSN has been achieved with the successful deployment of Primary Node 3A. ...
New Segment 7
Wednesday, August 15, 2012
Steady progress continues to be made on the installation of the northern section of the OOI cabled infrastructure to Axial Seamount. ...
Defining the SIA
Monday, August 13, 2012
The SIA is the Science Interface Assembly, which has all the active optics, communications, low-voltage power, and control circuitry in the primary nodes. ...
PN5A Successfully Deployed
Saturday, August 11, 2012
The OOI RSN program has achieved another major milestone! The Mid-Plate Node, Primary Node 5A, was deployed. ...
PN 5A – Jointing Operation
Friday, August 10, 2012
Steady progress continues to be made on the installation of Primary Node 5A. Buoy operations have been completed. ...
PN 5A Installation Continu
Wednesday, August 08, 2012
As we continue to work about 245 km off the coast of Oregon, we are making steady progress on the installation of OOI RSN Primary Node 5A. ...
On Site to Install PN5A
Monday, August 06, 2012
Brian Ittig, the OOI RSN Marine Operations Manager at the University of Washington, reports from the TE SubCom Dependable ...
Transit to Node 5A
Saturday, August 04, 2012
According to Paul Hagstrom, the ship left the dock in Portland, Oregon, at 1300h PDT on Friday, August 3, and was crossing the Columbia River Bar at Astoria some 8 hours later. ...
Port Call in Portland
Thursday, August 02, 2012
We arrived offshore of Astoria, Oregon, in the early morning hours today on our way back to Portland for a quick turnaround. ...
PN1D is Installed!
Wednesday, August 01, 2012
OOI Primary Node 1D has been deployed and landed on the seafloor and has been successfully tested from the shore station. ...
Burial and Inspection Comp
Tuesday, July 31, 2012
Burial and inspection of cable segments 3 and 4 were completed on 30 July 2012. Next up is installation of OOI RSN Primary Node 1D. ...
Humpbacks Visit
Monday, July 30, 2012
Two Protected Species Visual Observers (PSVOs) are part of the OOI RSN node installation team. ...
Cable Burial Node PN1C
Sunday, July 29, 2012
Burial continues for cable segments 3 and 4, which are jointed into OOI RSN Primary Node 1C (PN1C). Photos here show deployment of PN1C. ...
Milestone: PN1C is Install
Saturday, July 28, 2012
On Friday, July 27, during cable balancing 433 meters of cable were removed from Segment 3 and 369 meters from Segment 4. ...
Photos of Final Inspection
Friday, July 27, 2012
Photos have just arrived from the TE SubCom Dependable of the final inspection of OOI RSN Primary Node 1B (PN1B). ...
Another RSN Node is Born!
Thursday, July 26, 2012
On July 26th at 4 pm PDT, the third Primary Node on the RSN (PN1C) came to life as power was re-applied to the cable system and energized the Node ...
Cable Burial Continues at
Monday, July 23, 2012
Burial of cable Segments 2 and 3, which are connected to Primary Node 1B, is continuing. ...
Second Node Installed!
Friday, July 20, 2012
Operations for the deployment of Primary Node 1B (PN1B) started late in the evening of July 19. Just before midnight it was confirmed that the no ...
Splicing Node PN1B into Se
Thursday, July 19, 2012
Splicing of primary node PN1B into segment 3 was completed overnight and finished by 9:00am this morning. TE Subcom’s splicers are now work ...
