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Interrogation Site Metadata

NAU - Upper Nason Creek

Status:   Active - Non-Operational
Site Type: Instream Remote Detection System  |  Organization: Washington Dept. of Fish and Wildlife
General Operational Period: Year Round
Start Date: 7/25/2008 5:00 PM

This is a permanent instream PIT tag interrogation site at rkm 19 located on upper Nason Creek. The site consists of two rows of antennas, with each row spanning the wetted width of the channel during base flows. Each row consists of 3 15-foot PVC antennas, installed in flat-plate configuration. The FS1001M transceiver is powered by a thermoelectric generator. The antennas were built and installed by WDFW. A cellular modem is installed on site to provide remote communication and allow for automated data collection. A submersible pressure transducer and temperature probes are installed on site to monitor environmental conditions.

Current Operations

Last File Loaded: NAU-2022-177-P-00A.xml
Date Last File Loaded: 6/26/2022 7:01 AM
Date Last File Opened: 6/26/2022 1:42 AM
Date Last File Closed: 6/26/2022 4:42 AM
Last Observation Tag: 3DD.0077DA4819
Last Observation Date: 6/24/2022 3:21 PM
Detection Summary: Last Day's Observations


Primary Contact:

Jay Deason
509-664-3148 x22

Data Steward:

Brett Turley


Coordinates: 47.785981, -120.848546  |  River Km: 754.089.019

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
2021 1/12/2021 12:00 AM 1/1/2022 12:00 AM Start and end dates based on timer tags.
2020 1/1/2020 12:00 AM 12/23/2020 12:00 AM Start and end dates based on timer tags. See event logs for additional operational information.
2019 1/1/2019 12:00 AM 12/31/2019 12:00 AM Start and end dates based on timer tags.
2018 1/1/2018 12:00 AM 1/1/2019 12:00 AM Start and end dates based on timer tags.
2017 1/1/2017 12:00 AM 1/1/2018 12:00 AM Start and end dates based on timer tags.
2016 1/1/2016 12:00 AM 1/1/2017 12:00 AM Start and end dates based on timer tags.
2015 1/1/2015 12:00 AM 1/1/2016 12:00 AM
2014 1/1/2014 12:00 AM 1/1/2015 12:00 AM Site down July 14-25, November 23-24.
2013 1/1/2013 12:00 AM 1/1/2014 12:00 AM No reported interruptions in operations.
2012 1/1/2012 12:00 AM 1/1/2013 12:00 AM
2011 1/1/2011 12:00 AM 1/1/2012 12:00 AM WDFW assumed responsibility for NAU on February 15. Site down due to power loss September 5-7, November 22-28.
2010 1/1/2010 12:00 AM 1/1/2011 12:00 AM No data available between June 24 and July 2 due to loss of power.
2009 3/26/2009 3:45 PM 1/1/2010 12:00 AM There are no detection data available between 5/27/09 and 7/1/09. There are no detection data available between 8/20/09 and 9/1/09. There is a datagap between 10/9/09, 11:04 am and 10/15/09, 9:30 am.
2008 7/25/2008 5:00 PM 11/30/2008 7:45 AM First year of operation of Upper Nason Creek Array.


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:  10/1/2007
End Date:  ----

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
3/22/2022 12:00:00 AM General

Antennas 3 and 5 were plugged back in on 3/22/22. They came unplugged on 1/6/22.

3/3/2022 12:00:00 PM SiteDown

Interrogation site NAL lost power on 03/03/2022. Permanent propane tank at site was not refueled by gas company. Power was restored and site was brought back online on 03/21/2022.

10/21/2021 12:00:00 AM General

Sites permanent propane tank ran out of gas on 10/3/21. Fuel service provider was contacted. Site was restarted on 10/21/21.

2/17/2021 9:42:00 AM SiteDown Due to issues with the TEG and heavy snowplowing activity the site was without power from 1-27-21 to 2-17-21.
4/7/2020 3:32:19 PM SiteDown Issues with thermal propane generator caused a loss of current at array from 3/12/20 at 13:00 to 3/17/20 at 11:00 as well as from 3/25/20 at 14:30 to 3/31/20 at 12:00.
4/3/2020 7:12:28 AM General Mux has lost its settings. I logged on remotely to change the mux ID from F0 to 40.
1/1/2020 5:00:00 PM General At interrogation site NAU on 1/01/2020 at approximately 17:00, Antenna #3 went offline.
6/27/2017 8:53:00 AM General Automated data uploading stopped on 12/8/16 and resumed on 6/27/17. The modem at the site was replaced.
3/13/2017 12:00:00 AM SiteDown Site was not working properly from 1/27/17 at approximately 10:00 to 3/13/17 at approximately 11:30 due to power, modem, and MUX issues.
12/8/2016 12:00:00 PM SiteDown At interrogation site NAU on 12/8/2016 at approximately 12:05 PM, site lost power. Site has not operated since 12/8/2016.
12/8/2016 11:18:00 AM SiteDown Site was down from 12/8/16 at 12:05 to 12/20/16 at 21:44.
3/6/2016 12:19:00 PM General Interrogation site NAU went offline at approximately 12:19 PM from loss of power. Site was brought back online 3/7/2016 at approximately 14:03 PM.
12/29/2015 8:15:52 AM SiteDown The NAU array TEG stopped running and power was lost on approximately 12/26/15 at 04:30. The array was powered back up on 12/28/15 at approximately 10:30. The MUX had a lithium battery failure and did not begin proper function until 12/28/15 at approximately 15:00.
11/23/2014 1:16:00 PM SiteDown The NAU array was off from 11/23/14 at 11:22 to 11/24/14 at 17:54. The propane safety shutoff was activated when the TEG unit was struck by plowed snow.
7/25/2014 1:07:06 PM General At interrogation site NAU there was an error that occured in the FS1001M. The most recent test tag was recorded on 7/14/14 at 21:17:05. The error was cleared on 7/25/14 at 13:30:00 and normal function should be returned.
12/31/2013 8:00:00 AM General NAU operated without interruption in 2013.

Archived Event Logs