Staff: Jacquie, Sam

Weather: Wonderful! Cool and cloudy while at the site. Windy. Clouds started clearing late in the afternoon.

Looking back at the array and trailer tower. Taken ~10am

Notes:

  • The towers survived hurricane Hilary! 
  • We visited the site in the AM before Sam departed (safe travels!)
  • Josh arrives tonight. 
  • We addressed a few priority issues:

tt

  • Replaced the batteries and power cycled the DSM's. The beacon is now powered and lit. 
  • However, the GPS in ttb is still not operating. We replugged, let the GPS sit outside the box for a while, but non of those worked.


t23 DSM

  • The cooler was filled with a few inches of rain and the victron was waterlogged. We replaced the victron and everything powered-up.
    • I check one of the other coolers just to see if it also had water and found a black window spider and it's babies (not doing that again!).
  • Just the CSATS were not coming online so we unplugged/replugged the cables on the CSAT ports. 
  • We also power cycled the soil mote which was also offline.  


t1 DSM

  • The CSAT3 and CSAT3A was offline so we unplugged/replugged the cables on their ports. Having the print out in the DSM boxes indicating which port the sensors are on was great!  






3 Comments

  1. Signals are coming in, but the CSAT3s at t1 and t22 are both reporting all NAs and have been since Saturday.  I'm going to try to bang at them from here, but replacements (with our only 2 spares) may be needed.  pio doesn't help.


  2. The GPS at ttb came back online!

    (However, I don't know what Stratum.ttb refers to but it remains offline)


    1. The NTP stratum is a metric for how many clocks between the system clock and an absolute reference clock.  Usually the DSMs should be at stratum 1, because they are synchronized directly with a GPS clock.  Today I added ttt as an NTP peer for ttb, so now ttb is at stratum 2, because it is synchronized to the system clock on ttt with stratum 1.  The ttb system clock is still synchronized plenty closely to GPS time, a couple orders of magnitude better than when using a NTP server on the Internet.

      The current stratum value is taken from the chrony tracking log, /var/log/chrony/tracking.log.  Apparently that file is not updated as often when the clock source is not GPS, so there are no data values within the 75-second window of the dashboard.  The sensor is not offline, it is just not reporting frequently enough to show up on the dashboard except once every several minutes.

      To sum up, the missing stratum and timeoffset on the ttb dashboard can be ignored.