Hodgdon Meadow, CA

      Site ID:     hdm
      Latitude:     37.796400 N
      Longitude:     -119.858600 W
      Elevation:     1396 meters
      Active:     Y
      Site Table:     Site Table
      Data:     Realtime Display

Instrument Name     Project Name     Install Date     Data Types
Datalogger CR1000     Hydrometeorology Testbed - West     2010-06-25          view
Soil Moisture 10cm     Hydrometeorology Testbed - West     2010-06-24          view
Soil Moisture 15cm     Hydrometeorology Testbed - West     2010-06-24          view
Soil Temperature 10cm     Hydrometeorology Testbed - West     2010-06-24          view
Soil Temperature 15cm     Hydrometeorology Testbed - West     2010-06-24          view
Temp/RH CS215     Hydrometeorology Testbed - West     2016-10-06          view
Tipping Bucket TE525     Hydrometeorology Testbed - West     2016-10-06          view

Instrument Name     Project Name     Install Date     Removal Date     Data Types
No inactive instruments exist

  OutageID     SiteID     Failure Type     Start Date      End Date      Description     Resolution Description  
849 hdm Communication - Phone 2023-03-12 00:00:00 2023-04-15 01:04:00 Unable to connect to modem; possible line malfunction due to moisture line connectivity returned without intervention
833 hdm Communication - Phone 2022-12-11 12:00:00 2022-12-13 00:00:00 Unable to connect to modem, likely due to recurring intermittent signal issues with the phone line when moisture is present Connection restored
848 hdm Hardware - Instrument 2021-11-17 00:58:00 2023-06-22 20:44:00 Malfunction of soil temperature sensor at 15 cm. Sensor replaced
783 hdm Communication - Phone 2021-07-22 03:00:00 2021-07-26 00:00:00 Land line service issue Resolved without intervention
727 hdm Communication - Phone 2020-06-25 05:00:00 2020-07-01 06:00:00 Unable to connect to modem, likely due to recurring intermittent signal issues with the phone line Connection reestablished for unknown reason
717 hdm Communication - Phone 2020-05-18 03:00:00 2020-05-27 00:00:00 Unable to connect to modem, likely due to recurring intermittent signal issues with the phone line Issue resolved for unknown reason
713 hdm Communication - Phone 2020-04-08 01:58:00 2020-04-16 01:00:00 Can't connect to phone modem Resolution unknown
701 hdm Communication - Phone 2020-03-09 12:58:00 2020-03-21 01:00:00 Can't connect to phone modem Service restored
662 hdm Power Failure 2019-10-28 06:58:00 2019-10-30 00:00:00 Can't connect to phone modem PG&E power outage ended
623 hdm Communication - Phone 2019-02-03 21:00:00 2019-02-18 00:00:00 Phone modem does not answer call. This issue has occurred intermittently in the past during the wet season. Tipping bucket measured ~7" of liquid in the 48 hours leading up to the outage. Unknown resolution.
602 hdm Communication - Phone 2018-08-03 20:58:00 2018-08-18 01:06:00 phone line/service outage due to wildfire in area service restored
581 hdm Communication - Phone 2018-02-09 22:00:00 2018-04-08 00:00:00 Modem intermittently unreachable. Connection stable.
577 hdm Communication - Phone 2018-01-19 13:06:00 2018-02-06 01:00:00 Modem unreachable. Communications restored without intervention.
570 hdm Communication - Phone 2018-01-05 15:00:00 2018-01-11 00:00:00 Intermittent connection issues with datalogger. Continuous data communications returned.
517 hdm Communication - Phone 2017-01-15 00:00:00 2017-02-28 16:00:00 Unable to reach modem. Will need to open trouble ticket with ATT if issue persists. Issue resolved.
525 hdm Hardware - Instrument 2016-11-03 20:00:00 2017-04-21 18:00:00 10 cm soil temperature probe malfunction. The sensor will be replaced on 4/20/17. Probes replace on 4/21/17.
394 hdm Communication - Phone 2014-07-26 00:00:00 2014-08-08 00:00:00 Phone line is busy. ATT repaired line.
341 hdm Communication - Phone 2013-08-25 15:36:00 2013-09-10 00:00:00 Modem unresponsive. Wildfire near the area may have burned a phone line. Phone line restored.
151 hdm Communication - Phone 2011-10-18 00:00:00 2011-11-10 00:00:00 Modem does not output tone. Possibly cause is phone network performing upgrade. NIST phone engineers troubleshooting the problem. According to NIST telecom, the Long Distance carrier made some adjustments to the trunks. Issue should be resolved.
65 hdm Communication - Phone 2011-03-21 10:00:00 2011-03-21 20:00:00 Modem unresponsive. Could be a power failure, modem, phone line, or datalogger issue. Phone connection restored.
17 hdm Communication - Phone 2010-12-26 03:00:00 2010-12-27 18:00:00 Hung modem in laboratory modem pool. Modem hardware reset. Data backfilled.
2 hdm Communication - Phone 2010-10-01 05:00:00 2010-12-03 01:00:00 Lost communication at Hodgdon Meadow. Tested okay at D-mark. Had to replace Modem on Datalogger unit. Faulty modem.