I left last night before things really started getting going for the dry run.  From co2 data, it seems like conditions were good for the first ~2 hours, and CTEMPS was running (for the bit of it that was deployed).  April still doesn't have the Doppler lidar, but they were going to try smoke and 2 aerosol lidars.  Kate reports that the one radiosonde worked, but had a very low rise rate – they cut it off after 45min to 700mb.

  • visited P5, found battery at 10.33V, so Pi was continuously rebooting (and chrony was not happy).  Swapped in a good battery from the base.  I <think> the solar in connector to the sunsaver wasn't quite seated properly.  In the meantime noticed that the config still didn't have a pmon entry.  Back at the sodar trailer, tried to use ansible to reload the config, but got a huge error message, suggesting that I use "--limit @/home/daq/isfs/projects/SAVANT/ISFS/ansible/update-projects.retry", which didn't work.  Logged into P5 and added pmon manually.  Now seems happy.
  • decided to check the other pressure sites, to see if low power was systematic.  P4 was at 12.44V.  P6 was at 12.59V.  So power availablilty should be okay, even though today is overcast and drizzle. BTW. P4 could ping ustar, and ustar can ping P4, but I can't ssh, and noticed (from lsu) that rsync isn't working to P4.
  • csat3a.1.5m.rel died about 6pm last night, about when I was playing with 232/422 jumpers inside this DSM to get csat3.1.5m.a2 working. However, the EC150 data are still coming in, so it isn't as simple as power or comms.  I note that the co2/h2o statsproc values also aren't being created due to the missing sonic data.  Guess I'll be wandering down there soon, in the mosquito-filled mist.
  • all of lconv seemed to be down a bit ago, but is up now.
  • and still have to do:
    • check guy tensions
    • grab serial numbers from soybeans?
    • shoot boom angles
    • clean up several sets of cables
    • flag tower anchor points in the field
  • and April wants to figure out how to attach the CTEMPS fiber vertically between the tall and aux towers....
  • Also noticed that several serial cables are grey PVC.  I don't know why green ones weren't used.  The PVC is already being chewed on – I taped up the one bit that I noticed.


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2 Comments

  1. Steve Oncley AUTHOR

    More stuff:

    • measured voltages all around (except P2).  As expected, all are okay, except the batteries powering relm and lconvm, which were (at noon, on a cloudy day) 12.1 and 12.0 V.  I think we should rebalance the loads, probably moving rel2 to the rel1/relt circuit, and the same for lconv.
    • We've also noticed that all the solar panels are mounted at about 80 degrees elevation. 55 degrees were specified.  I can imagine that Ned wanted them more vertical to hide within the corn, but getting data is more important yet.  We'll probably lower the angle for at least some of these.
    • found corrosion on the Gill WO.uconv pins, undoubtedly due to this connector being mounted facing up.  Scraping and blowing on this connector cleaned up the serial signal.  Taped up the back end of the connector.  Need to do the same on the other Gill WOs.
    • Tried everything obvious, but couldn't get a green LED on csat3a.1.5m.rel.  (the ec150 is fine).  Same old problem, but very odd that it decided to die permanently just as I was messing around with other stuff nearby yesterday.
    • Found that P3 USB cable wasn't plugged into Pi.  Also reseated pmon end and even rebooted, but couldn't get the power monitor to report.  USB8 can now be opened, though.


  2. Steve Oncley AUTHOR

    PM activities:

    • measured boom angles for the 1.5m sonic on each tower
    • lowered the solar panel elevation angle from about 65 to 55 degrees on rel and lconv
    • swapped in a more-charged battery into relm/rel1 chain.  Hopefully, rel will stay up a bit longer.