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. |