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Interrogation Site Metadata

30M - Thirtymile Crk John Day Basin

Status:   Active - Operational
Site Type: Instream Remote Detection System  |  Organization: Oregon Dept. of Fish and Wildlife
General Operational Period: Year Round
Start Date: 3/31/2016 1:00 PM

This site is located at rkm 0.5 on Thirtymile Creek (30ML2C), a tributarty to the John Day River. The 30M array consists of two 20 ft BioLite antennas which are spaced up and downstream by 10 m to provide directionality of detection. The antennas are driven by IS1001 ACNs, which are daisy-chained from one port of an IS1001-MC. The 30M array is powered by a bank of 6 solar panels tied to 4 250ah batteries (connected in series and parallel). The 30M array is manually downloaded at least monthly during the migration season (October to May), and at least every other month during June to September.

Current Operations

Last File Loaded: 30M-2022-284-P-001.json
Date Last File Loaded: 3/10/2023 9:00 AM
Date Last File Opened: 10/11/2022 12:41 PM
Date Last File Closed: 3/8/2023 4:30 PM
Last Observation Tag: 3DD.003E0DDC89
Last Observation Date: 3/8/2023 4:30 PM
Detection Summary: Last Day's Observations


Primary Contact:

Ian Tattam

Data Steward:

Derrek Faber


Coordinates: 45.162073, -120.465021  |  River Km: 351.134.001

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 1/1/2022 12:00 AM 7/11/2022 12:00 AM Start and end dates based on timer tags.
2021 1/1/2021 12:00 AM 7/10/2021 12:00 AM Start and end dates based on timer tags.
2020 1/1/2020 12:00 AM 11/4/2020 12:00 AM Start and end dates based on timer tags. See event logs for additional operational information.
2019 11/5/2019 12:00 AM 11/13/2019 12:00 AM Start and end dates based on timer tags.
2018 1/1/2018 12:00 AM
2017 1/1/2017 12:00 AM 1/1/2018 12:00 AM
2016 3/31/2016 1:00 PM 1/1/2017 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.

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Start Date:  4/8/2022
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.

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Equipment Code Description Start Date End Date

No Photos

Event Log Summary

Event Date Event Type Comments
10/12/2021 8:20:00 AM SiteUp

Put system back into Scan mode.  Channel still not connected to mainstem John Day.  

Updated firmware on MC-CBG and both nodes to current versions (1.7.1).  Uploaded data to PTAGIS, May 2021 to July 2021.

7/2/2021 8:15:00 AM SiteDown

Site Down.  Box temperature at 140C (248F), automatically set system into standby mode.  System in standby until revisited in October.  Channel not connected to the John Day from July until at least October 12, 2021 (still not connected), so no migration occurring.  

11/13/2019 3:00:00 PM SiteUp Connected downstream antenna to new node. Both antennas now operational, batteries charged, and site running at full capacity.
11/5/2019 3:00:00 PM SiteUp Reactivated site. One node connected (upstream antenna).
8/19/2018 9:08:00 AM SiteDown Site burned over by wildfire and inoperable.
3/31/2016 1:00:00 PM SiteUp 30M detection site powered on.

No Archived Event Logs