Site Type

Site Name


JO2 - John Day North Fish Ladder

The interrogation site at the John Day Dam north fish ladder consists of eight antennas installed in two weir walls of the fish ladder. Each weir has two orifice antennas and two over flow antennas. The antennas were installed February 2017 without dedicated communication and synchronization lines. Only the upstream weir antennas were active for the first year. During that time PIT tag detections were stored to the transceiver buffers and then submitted to PTAGIS as passive recaptures. The site became fully operational and began automated data submissions of interrogation data on February 14, 2018.

Operated by:


First year:


Last year:




Site Contacts


Nicole Tancreto
(503) 595-3100


Don Warf
(509) 735-2773


Photo Gallery

Operational Dates

Year Start Date End Date Notes
2017 Construction and installation of antennas was completed before all necessary communication and wiring was installed. Antennas on one weir wall were run and collected detections to transceiver buffers which were downloaded approximately weekly. These detections were submitted as Passive Recaptures from site JDALD2.
2018 2/14/2018 Automated data submissions started Feb 14. Prior to this one weir wall was collecting detections to transceiver buffers, which were downloaded weekly and submitted as Passive Recaptures.

Current and Historic Site Configurations

Config Seq: 100

Start Date: 2/27/2017

End Date:

Event Logs