Station Details
JTS operational status:
2023.06.12
The station is back online after the station operator visited the station and replaced the Q330s on 6/12/2023 (~2023,163-17:43).
2023.05.11
The station is down. The station operators visited the station and worked with IDA engineers to diagnose the communication problems between the vault and the recording room. It was determined that the Q330 digitizers have failed, as there is nothing wrong with the uplink cable or switches in the vault or recording room.
2022.10.08
IDA engineers visited the station and replaced the STS-2.5 seismometer with a Trillium 240 seismometer, installed a fibre optic uplink, and a cell modem.
2021.10.11
IDA engineers visited the station and moved the STS-6 from the core hole to the pier, and replaced the STS-2.5 seismometer and station computer SSDs.
2019.09.10
An IDA engineer visited the station and replaced the temporary STS-2 seismometer with an STS-2.5 seismometer on September 10.
2019.06.12
The station operator visited the station and replaced a faulty STS-2.5 seismometer with an STS-2 on June 5. The sensor was allowed to settle, and was then calibrated on June 11.
2019.01.30
IDA engineers are onsite to replace the STS-1s with an STS-6 seismometer, update the configuration of the microbarometers, install new battery backup, and upgrade the firmware for the Q330HR digitizers. The STS-1s were removed on day 2019,031-12:55.
2018.01.18
The station operator replaced the STS-2 seismometer with an STS-2.5 seismometer on day 2018,018.
2017.12.07
Data quality is poor for all channels from the STS-2 seismometer since day 2017,341-13:47. A replacement STS-2.5 seismometer has been shipped to the station. The station was experiencing power issues since the beginning of November. The station operator resolved the power issues by visiting the station and replacing a faulty power supply.
2017.10.09
The station was down from day 2017,278-22:41 to 2017,280-21:16 due to a power outage caused by a trees falling on power lines near the station.
2017.06.28
The station operator visited the station and replaced damaged power equipment, the digitizers, and reconnected the STS-1 seismometers. The STS-1E channels remain non-seismic. IDA engineers are working with the station operator to resolve this issue.
2017.05.30
The station operator removed the STS-1s and connected the STS-2 to the temporary digitizer on day 2017,145-20:46. This change was made due to all channels from the STS-1s being non-seismic, and because the E300 was unresponsive to commands to recenter the STS-1 seismometers.
2017.05.18
The station is back online as of day 2017,138-20:43 after the station operator restored power and replaced the digitizer with a temporary spare. A permanent replacement is being prepared for shipment to the station.
2017.05.11
The station is down as of day 2017,128-19:15 due to damages to station equipment caused by a lightning strike. IDA engineers are working with the station operator to replace the damaged equipment.
2016.02.17
An IDA engineer is onsite to upgrade the power system at the station.
2015.06.10
The station is back up as of day 2015,160-21:38 after the station operator visited the station and replaced the GPS antennae.
2015.06.01
The station is down due to GPS problems beginning day 2015,150-21:54. Timing of the data are uncertain. IDA engineers are working with the station operator to resolve this issue.
2015.01.13
The station operator visited the station and replaced the STS-2 seismometer with one shipped from UCSD. The previous STS-2 showed an anomalous long-period response.
2014.04.23
Data acquisition at JTS was restored on day 2014,113-16:48 after the station operator replaced the Newmar Power Supply.
2014.04.05
JTS is down as of day 2014,095-21:00 due to a failed power supply. IDA engineers are preparing a replacement to ship to the station.
2012.10.02
The station operator reports replacing the strong motion sensor on day 276 (Oct. 2,2012).
2012.09.24
The GPS clocks at JTS are locked as of day 2012,268-19:06 after the station operator replaced the GPS antennas.
2012.09.21
IDA station JTS has unlocked GPS clocks due to damages from lightning. There was also a brief telemetry outage due to a damaged router. IDA engineers are working with the station operator to resolve this issue.
2012.07.02
Telemetry to the station is down due to a faulty modem at the station. The station operator also reports a faulty monitor and keyboard. IDA engineers are working with the station operator to replace the faulty equipment.
2012.05.03
The station operator reports replacing the STS-2 with the repaired one shipped from UCSD. They also replaced a failed episensor with one from OVSICORI until the failed one can be repaired (new S/N 4381).
2012.01.23
All channels from the STS-1 seismometer are showing high background noise for reasons yet to be determined. Spiking on the vertical and East-West channels is highly correlated since day 2012,023.
2011.12.14
The station operator reports replacing the STS-2 seismometer. IDA engineers are currently working with the station operator to adjust and re-center the instrument.
2011.11.18
Data from the STS-1V has been restored. There are problems with the STS-2 seismometer. A replacement STS-2 seismometer has been shipped to the station.
2011.11.14
IDA station JTS is back on-line as of day 2011,318 after an IDA engineer visited the station and replaced the GPS antenna modules and cables. The engineer is also working on restoring normal operation of the STS-1V.
2011.10.10
The station is down as of day 2011,272-15:56 due to problems with the GPS that are yet to be determined.
2011.08.29
The station is back on-line as of day 2011,241 after IDA engineers visited the station and installed all equipment in the new recording room and on the new pier.
2011.05.20
The station is down as of day 2011,140-13:29. An IDA engineer is on-site decommissioning the station. The station will be brought back on-line after the pier is rebuilt and another visit by an IDA engineer to perform maintenance, and upgrade the recording building.
2011.01.12
The station operator visited the station and reconfigured cables to the GPS antenna, and the GPS is operating normally again (locked). New equipment has arrived at OVSICORI and will be installed soon.
2011.01.06
The GPS clock at JTS has been shutting off due to power problems. A new GPS antenna, cabling, and lightning protector are being prepared to ship to the station.
2010.06.01
IDA station JTS was down from day 2010,147-22:03 to 2010,152-19:03 due to a power outage caused by a storm. Data acquisition was restored after the station operator visited the station and switched the power inverter back on.
2010.04.08
IDA engineers ran a series of shorted input tests on the STS-1 vertical from day 2010,097-22:52 to 2010,098-04:47 to attempt to isolate the source of the long period pulses. Results indicate the source of the noise is external to the Q330 digitizer.
2010.03.30
There are long period pulses on the vertical channels from the STS-1 seismometer since day 2010,065-18:00 for reasons yet to be determined.
2009.08.29
An IDA engineer visited the site to upgrade lightning protection, and replace the STS-2 seismometer. Telemetry to the station was also restored.
2009.08.21
Telemetry to the station is currently down. An IDA engineer is on-site.
2009.08.18
An IDA engineer is on-site and has restored the STS-1 channels, and replaced the station gateway computer.
2009.06.24
All channels from the STS-1 seismometers are non-seismic as of about day 2009,174 for reasons yet to be determined.
2009.06.10
The station was down from about day 2009,156 to 2009,161 due to communication problems between the DAS and ISP. Data acquisition was restored after the station operator visited the station and reconfigured the uplink cables in the vault, followed by an IDA engineer cycling power to the digitizers.
2009.05.06
The station has been upgraded to a Quanterra Q330HR system. Seismometers include STS-1,STS-2,Episensor strong motion sensor, and a Paroscientific micro-barograph.
2009.05.01
The short period channels are seismic again after the STS-2 was re-centered at about day 2009,122-00:00.
2009.04.22
The short period channels from the STS-2 sensor are saturated as of about day 2009,112-17:40. A station visit by an IDA engineer is planned to upgrade the station to a Q330 system, and recenter the STS-2.
2008.08.11
The station operator reports replacing the GPS clock.
2008.05.07
The station was having problems with the GPS clock from about day 2008,127 to 2008,129 until the station operator cycled power to the GPS clock and reconfigured the connection.
2008.04.04
The vertical channels from the STS-1 sensor are showing excessive spikes as of about day 2008,010 for reasons yet to be determined.
2008.02.19
The station is back online as of about day 2008,046, after the station operator replaced a connector to a circuit breaker for the power system.
2008.02.09
The station is down as of about day 2008,040 for reasons yet to be determined.
2008.01.17
The station is back online as of about day 2008,017-16:06 after the station operator cycled power to the GPS clock.
2008.01.14
The station is down due to problems with the GPS clock that are yet to be determined.
2008.01.09
The station is back online after power to the station was restored about day 2008,009.
2007.11.05
The station is down due to power problems. The power cables to the station are repeatedly being stolen and vandalized. Plans to restore power to the station are being investigated.
2007.10.01
The station was down from about day 2007,274 to 2007,277 due to problems with the GPS clock. The station came back online after the station operator corrected the clock.
2007.09.06
The station is back online as of about day 2007,249-20:04 after the station operator replaced the ISP.
2007.08.10
The station is down as of about day 2007,222-02:26 due to failure of the ISP.
2007.08.08
The station is back online as of about day 2007,220-19:56 after an IDA engineer visited the station and restored power and replaced a faulty circuit board in the DAS.
2007.07.04
The station is down as of about day 185 due to problems with power to the station. A faulty power supply is suspected.
2007.06.26
The station is back online after power to the station was restored at about day 177-07:26.
2007.05.29
The station is down due to problems with power to the station. New batteries have been shipped to the station.
2007.05.23
The North-South channels from the STS-1 seismometer are nonseismic again as of about day 143-20:45.
2007.05.20
The North-South channels from the STS-1 seismometer were nonseismic from about day 138-01:22 to 140-00:29 for reasons yet to be determined.
2007.05.17
The short period channels from the STS-2 seismometer are seismic as of about day 137-18:55, after the station operator recentered the masses for the STS-2 seismometer.
2007.05.13
The short period channels from the STS-2 seismometer and the North-South channels from the STS-1 seismometer are nonseismic as of about day 133-13:16 for reasons yet to be determined.
2007.04.18
The station is up as of about day 108-05:05 after the station operator removed a faulty power inverter and restored power to the station. The North-South channels from the STS-1 seismometer were nonseismic from about day 108-05:05 until a reboot at about 110-16:23.
2007.04.05
The station is down. Problems with power to the station continue, and data acquisition is currently intermittent.
2007.03.27
The station is down as of about day 086-22:40 due to problems with power at the station that are yet to be determined. The North-South channels from the STS-1 were non-seismic from about day 085-12:12 to 086-21:11. The channels were restored after power was briefly restored at the station. However, power is currently out again.
2006.11.22
The station was down from day 325-11:22 to 326-20:27 due to a power outage following an electrical storm. The North-South channels from the STS-1 seismometer are non-seismic since the station came back on-line following the power outage.
2006.11.08
The station is up as of about day 312-19:45 after the station operator visited the station and reconfigured connections to the DAS, changed the switch for the power converter, checked fuses, and cycled power to the DAS.
2006.10.06
The station is down as of about day 279-21:42 due to problems with data acquisition that are yet to be determined. Instructions for the station operator to inspect the station’s power supplies, power cycle the DAS, and check fuses and circuit boards in the DAS have been sent.
2006.09.22
The station was down from day 257 to 265 due to communication problems between the ISP and the digitizer. The station is back up after the station operator rebooted the DAS.
2006.08.16
The station operator removed the faulty RT303 board from the BBZ location and the board from the BBE location was switched to the BBZ location. Now BBZ and BBN data are being acquired and the BBE channels are out until a replacement board is sent.
2006.08.29
The station is up. Telemetry remains down as the station operator reports problems with the router and link to the VSAT. The DAS and computer at the station remain operational and the GPS clock is locked. There is still a faulty RT303 circuit board in the DAS.
2006.08.19
The station is down due to damages caused by a lightning strike near the station. The station operator has been requested to check the status of the ISP.
2006.08.14
The station is back up after the station operator replaced the GPS clock. The vertical channels for the STS-1 sensor are out due to a faulty RT303 circuit board in the DAS.
2006.08.01
The station is down due to GPS clock failure. A replacement GPS clock has been shipped.
2005.09.22
The station is back up after an IDA engineer visited the site and replaced a fuse for the power supply, and faulty circuit boards in the digitizer.
2005.08.22
Station is down due to problems with the digitizer.
2005.02.14
Short period channels are back as of day 039-22:40, after an IDA engineer replaced the STS-2 sensor. The FBA-23 accelerometer was disconnected and replaced with an Episensor. However, the Episensor is not working correctly and a new one will be sent to the station.
2004.12.13
Short period channels from the STS-2 sensor remain out after station operator checked and dried connections to the sensor. A trip to the station by an IDA engineer is planned.
2004.11.15
Station is back up after an IDA engineer replaced the ISP.
2004.10.18
Station is down due to problems with the ISP. Short period channels from the STS-2 sensor are unstable for reasons yet to be determined.
2004.05.05
Station is up and operates normally after an IDA engineer visited the station to correct its AC power problem, replace all three STS1 sensors and install two RT303 boards.
2004.04.08
Station is down due to the failure of power system.
2004.01.12
The BBN channel is out. Failure of DAS RT303 board is suspected.
2003.10.30
Timing problems resolved after the station operator removed the RT303 board for the BBZ channel (day 302-15:00). The BBZ channel will be out until a replacement RT303 board is installed.
2003.10.20
There are frequent data gaps beginning on 10/12 due to inconsistent timing of the datalogger’s internal clock, which may be due to an RT303 board failure. The station operator was requested to remove suspected RT303 board in the digitizer.
2003.09.22
Station is back up. NRTS data acquisition resumed day 262 (9/19).
2003.09.08
Station is down due to power inverter failure. Replacement shipped 9/4.
2003.06.30
Station operator reports installation of a replacement modem and surge suppressor at the JTS gateway, but notes that phone line still appears to be down.
2003.05.30
New telemetry connection with the UN CTBTO completed as of today.
2003.05.29
Telemetry with OVSICORI down due to lightning strike on May 24,2003. Internet connection at OVSICORI and leased line connection with JTS damaged.
2003.04.15
Now hooked up to IMS VSAT. Data are currently flowing from the station to the CTBTO in Vienna.
2003.03.10
Air conditioning installed.
2003.03.07
An IDA engineer visited the stations and replaced the GPS interface board in the GPS clock. This restored the data acquisition system to normal operation.
2003.01.16
The telephone link to the station was re-established today and data collected prior to the clock problem on 11/24/02 are flowing over the line. Analysis of the ISP status indicated that operator efforts have not corrected the problem.
2002.11.24
Station is not acquiring data due to a clock problem.
2002.11.15
The circuit to the station is up and working, although the connectivity from UCSD to the endpoint at OVSICORI is too slow to support data transfer. IDA is working with OVSICORI to improve this connectivity.
2002.09.04
Station upgraded to MK7-ISP. Telemetry problems under investigation.
2002.08.28
New EPROMs installed to correct DSP problem.
2002.06.25
Station is down due to problems with the DAS.
2002.04.22
Station operating normally.