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Interrogation Site Metadata

MWE - Middle Wenatchee River

Status:   Decommissioned
Site Type: Instream Remote Detection System  |  Organization: Washington Dept. of Fish and Wildlife
General Operational Period: Seasonally
Start Date: 3/28/2008 12:00 AM
End Date: 10/14/2013 12:00 AM

This is a passive in-stream interrogation system at Wenatchee River rkm 50 above Tumwater Dam, consisting of a single antenna array floated off the bottom spanning the river.


Data Steward:

Jay Deason
509-664-3148 x22


Coordinates: 47.623026, -120.726203  |  River Km: 754.050

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
2013 4/9/2013 12:00 AM 10/14/2013 12:00 AM Only one antenna was operational. Equipment removed October 14
2012 1/1/2012 12:00 AM 12/28/2012 12:00 AM As of June 21, only antenna 3 is operational.
2011 1/1/2011 12:00 AM 1/1/2012 12:00 AM Antennas 2, 4, 5, 6 nonoperational as of January 3. Antennas 1 and 3 still functional. Site lost power from May 30 - June 7.
2010 1/1/2010 12:00 AM 1/1/2011 12:00 AM The power was out March 2-4. There was no power to the reader Oct. 24-27. The site was down Nov. 30 - Dec. 8 due to a power issue.
2009 1/2/2009 12:00 AM 1/1/2010 12:00 AM No tags were detected between Jan. 2-7, 2009, or between Jan. 21 - Feb. 6. No tags were detected between March 18-23. or March 25 - April 13 due to a power loss resulting from the fire at the candy store adjacent to the array. No tags were detected between June 13-26. There were no amps on antennas 3-6, and high noise on antennas 1 and 2. Antenna #6 was damaged by ice and removed from service on Dec. 10, 2009.
2008 3/28/2008 12:00 AM 7/24/2008 12:00 AM 2008 Start/End dates are conservative. Refer to 2009 MWE event log for details of 2008 operations.


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:  3/28/2008
End Date:  10/14/2013

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.

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Equipment Code Description Start Date End Date

No Photos

Event Log Summary

Event Date Event Type Comments
10/14/2013 7:00:00 AM General MUX removed from site as only 1 antenna was still operational. MUX at UWE was sent in for repair, and MWE MUX was used as a replacement to maintain full operation. All equipment from MWE site was removed as well, as we plan to relocate the site downstream in 2014.
4/9/2013 5:00:00 PM General No data from 12/28/12 to 4/9/13 due to site being powered down during winter months. Only 1 antenna is currently operational
6/21/2012 2:15:00 PM General Antenna 1 down, antenna 3 only remaining antenna

Archived Event Logs