D23K (REMOVED)

Station Notes

• Station Close-Out Report

• None at this time.

Service Plan

Site Access

• Helicopter

Site Contact

• No site contact

Site Visit

•  20210605 Removal (J. Miner, T. Juskalian, Alpine)

  USArray Station Removal Report Form V1.0

  STATION CODE: TA.D23K

  STATION LOCALE DESCRIPTION: Nanushuk River, AK

  STATION REMOVAL LOG DATE: 06/05/21

  STATION/SENSOR DOWN TIME (UTC): 20:20

  REMOVAL DESCRIPTION: Station hut, equipment and Sensor removal

  ACTIONS TAKEN: Powered the station down after collecting a final screenshot. The site was in good condition.  The door tape was partially intact with no other wildlife damage present. The cutoff casing was capped with a 6" expansion end plug 6" bgs. The remaining hole was filled with local material.

  The hut was packed with the conduit, well cap, casing cut off, mustache mount and any other site debris. The hut was flown off site to Happy Valley.

  CASING CONDITIONS: The casing was in good condition with no damage to the wellcap or conduit.  No evidence of frost jacking and no water present in the casing.

  SEISMOMETER REMOVAL: The seismometer was removed by 1 person, easy pull.

  LAT/LONG OF SENSOR HOLE: 68.96559, -150.68065
  

  
  

  SENSOR ORIENTATION MEASUREMENTS:

  Measured with OCTANS Unit: 1.0 degrees

  Original orientation: 0.08 degrees using OCTANS

  
  

  COMMENTS: The casing cutoff process took ~10 minutes and consumed 2 cutoff wheels.

  
  

  REMOVED:

  
  

  Q330 TagId – 1969; bc – 5004942

  Baler 44 sn – 18434; bc – 5010834

  STS5A sn – 130712; bc – 5014854

  VIE bc – 5009125

  QEP sn – 116907; bc – 5001339

  infra SETRA sn – 5282787; bc – 5013999

  infra NCPA sn – H02070024; bc – 5014117

  Regulator Board sn – 255; bc – 5009893

  BGAN Modem sn – 353938030152205; bc – 5017098

  BGAN SIM sn – 898709914412612028

  XI202 sn – 664; bc – 5017876

  WXT520 sn – H1220012; bc – 5013041

  Power sys 1.8.4

  Charge Controller bc – 5016794

  LiFePO4 sn – 5112; bc – 5017016

  LiFePO4 sn – 5144; bc – 5017017

  LiFePO4 sn – 5151; bc – 5017018

  LiFePO4 sn – 5160; bc – 5017020

  LiFePO4 sn – 5162; bc – 5017022

  LiFePO4 sn – 5168; bc – 5017028

  LiFePO4 sn – 5421; bc – 5017442

  LiFePO4 sn – 5885; bc – 5018085

  LiFePO4 sn – 5711; bc – 5017931

  LiFePO4 sn – 5730; bc – 5017947

  
  

  
  

  DAMAGE: None

  
  

  LEFT AT SITE: Cutoff casing below surface.

  
  

  VISITORS:

  
  J. Miner
  T. Juskalian
  T. Potgeiter
  T. Pahl

•  2020_08_25 Service (J. Soderquist, R. Bierma)

  USArray Station Service Report
  Form V1.0
  
  STATION CODE:
  TA.D23K
  
  STATION Locale Description:
  Nanushuk River, Alaska
  
  STATION SERVICE LOG DATE:
  20200815
  
  STATION/SENSOR DOWN TIME (UTC):

  Station offline for ~15 minutes, 09:10 for station service

  
  SERVICE DESCRIPTION:

  AON battery supplement. Upgrade CC firmware and collect Baler media. Check BGAN antenna cable. Check Vaisala.

  UPON ARRIVAL:  

  Station was in good condition with no wildlife damage.

  ACTIONS TAKEN: 

  
  

  Add 2 LiFePO4 batteries.
  BGAN cable replaced.

  CC firmware upgraded to 1.20.
  Baler media swap.

  Verified the station configuration. 

  
  

  EQUIPMENT REMOVED:  

  NA

  
  

  EQUIPMENT INSTALLED:

  LiFeSO4 batteries: sn - 5711, bc - 5017931; sn - 5730, bc - 5017947

  
  

  COMMENTS:

  BGAN signal increased after swapping the cable.  Was connecting on narrow before the swap but increased to 68.2 signal strength after the swap.

  Door locked and taped prior to departure.

  
  

  VISITOR: 

  1. Soderquist
  2. Bierma
  3. Bue (Alpine Air)

  
  

  ON NEXT VISIT:

  n/a

  CHANGES AFFECT INSTRUMENT RESPONSE: n/a

• 2018_07_18 Service (J. Miner, M. Enders)
• 2017_06_21 Service (D. Bloomquist)
• 2016_06_20 Install (R. Bierma and M. Sanders)
• 

Station Health

PDFs

ANF Station Page

MesoWest

68.96559, -150.68065, Elev: 1333ft