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Interrogation Site Metadata

CSH - Cowlitz Salmon Hatchery Ladder

Status:   Active - Operations Unspecified
Site Type: Hatchery Returns  |  Organization: Tacoma Public Utilities
General Operational Period: Year Round
Start Date: 5/25/2022 12:00 AM

The site is located at the Cowlitz Salmon Hatchery adult ladder and sorting table. Antenna 01 is a pass-through antenna on the ladder. Antenna 02 is a hand-held racket antenna at the hatchery adult sorting table that personnel wave over each fish. Each antenna is powered by an IS1001 reader. Data is downloaded and submitted to PTAGIS by Biomark every 4 hours via a cell modem.

Current Operations

Last File Loaded: CSH-2022-227-P-00N.xml
Date Last File Loaded: 8/15/2022 8:00 AM
Date Last File Opened: 8/15/2022 6:35 AM
Date Last File Closed: 8/15/2022 6:35 AM
Last Observation Tag: 3DD.003D5C74EA
Last Observation Date: 7/31/2022 3:33 PM
Detection Summary: Last Day's Observations


Primary Contact:

Jamie Murphy

Data Steward:

Scott Gibson


Coordinates: 46.511337, -122.629388  |  River Km: 111.080

Operational History

Operational history describes the period the site was interrogating for PIT tags. The comments provide anecdotal information about the operation of the site during this period. Site operational periods are updated typically at the end of the calendar year.

Year Start Date End Date Comments
2022 5/25/2022 12:00 AM


Configuration metadata includes details about the equipment used at the site to detect and record PIT tags. A new configuration sequence record is created when equipment is added or removed from the site and the period of time it was active. A configuration sequence without an End Date is currently active.

Select Configuration Number:
Start Date:  5/25/2022
End Date:  ----

Site Configuration Diagrams:

Equipment History

Select a type to view the history of equipment installed at this site. A missing End Date implies the information about the equipment is current.

Select Equipment Type:
Equipment Code Description Start Date End Date


Event Log Summary

Event Date Event Type Comments

No Archived Event Logs