Alta, CA

   Site ID: ata
   Latitude: 39.198300 N
   Longitude: -120.815500 W
   Elevation: 1048 meters
   Active: Y
   Site Table: Site Table
   Realtime Data: Realtime Display

Instrument Name Project Name Install Date Removal Date View Data Types
Datalogger CR10X California Department of Water Resource 2005-12-17 view
Soil Moisture 10cm Hydrometeorology Testbed - West 2005-12-17 view
Soil Moisture 15cm Hydrometeorology Testbed - West 2005-12-17 view
Soil Temperature 10cm Hydrometeorology Testbed - West 2005-12-17 view
Soil Temperature 15cm Hydrometeorology Testbed - West 2005-12-17 view
Temp/RH HMP45C Hydrometeorology Testbed - West 2005-12-17 view
Tipping Bucket Heated 385 Hydrometeorology Testbed - West 2005-12-17 view

Instrument Type Project Name Install Date Removal Date View Data Types

OutageID SiteID Failure Type Start Date End Date Description Resolution Description
643 ata Power Failure 2019-07-31 18:00:00 2019-08-01 15:40:00 After datalogger connection was restored on 2019-7-31 1540 UTC, the datalogger battery voltage dropped from 13.122 to 9.8769, before datalogger connectivity was lost. Power returned, and datalogger battery voltage has recovered above 13.
641 ata Power Failure 2019-07-21 19:44:00 2019-07-31 15:40:00 Power outage during planned maintenance by site provider. Power restored.
290 ata Communication - Phone 2013-01-07 21:00:00 2013-01-08 21:00:00 Modem answering but not establishing connection. Most likely noise on the phone line preventing connection. Will contact phone co. if issue persists. Connection restored.
181 ata Hardware - Instrument 2012-01-22 00:00:00 2012-02-03 18:00:00 Tipping Bucket clogged. No precip reporting as of Jan 22, 2012 0z. Tipping bucket was tilted on its side. Secured back to vertical position.
152 ata Communication - Phone 2011-10-20 19:00:00 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.
112 ata Communication - Phone 2011-06-27 00:00:00 2011-07-14 00:00:00 Bad Modem replace Modem.
99 ata Hardware - Instrument 2011-03-16 14:00:00 2011-03-22 20:00:00 Tipping bucket rain gauge is malfunctioning. No precipitation reported, with widespread precipitation observed in the area. Tipping bucket replaced with C5205.
49 ata Hardware - Instrument 2011-03-02 00:00:00 2011-03-03 00:00:00 Tipping bucket rain gauge is malfunctioning. No precipitation reported, with widespread precipitation observed in the area. Tipping bucket rain gauge fixed.