NIWOT: Site UGSG 33m Tower Messages, 2 Entries..

Wednesday July 16th Visit:
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At the site : SpB,RM,G/T/J.

Purpose of visit:   Restart the laser (crashed sometime last night).
Download laser data and fill the laser dewar.  Change the REBs domes.

Weather at site:  Sunny and Warm.

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Misc Notes:

* Brought the flasks suitcase up to the site.

* communitcation from specialk to russter was flaky in the afternoon...unixOPS
  said this was probably due to power outages on campus.

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* Restarted the laser and burned a CD.

* Russ and I wrapped the laser sample cell with foam---see bowling
  listings for details.

* checked the profiler dessicant--ok (still blue).

* Changed the REBs domes (note: I don't think there are any more
  new domes left...order MORE).

* changed the ozone target.  Note, details from Andrew:  

 A yellow target means it is a new one (they turn brown, then white as they 
 degrade).  Sounds like you got the right one.  Easy to check - look and see 
 what the signal is - if its below 100 mV - its an old one.  I think the 
 on/off/off label has been on there, but it sort of hides if you don't  open the box all the way.

May 26th (see other logbook entry for other details)

Things done on Dean's profiler:
(1) Replaced tubing from manifold to glass volumes with 3/8" Dekabon.  
(2) Glass volumes - have 2 repaired on campus.  Line 6 had no volume (just a tube connecting them).  I cracked the stem on Line 14, but still managed to connect the fitting (it could be leaking though).  Will replace these lines with the repaired volumes on next visit.
(3) Started up the system at 1:30 PM.  Seemed to be working OK - logger was opening valves every 30 sec. and flow rates seemed OK.  didn't have a laptop to check how things were working (or logger clock, etc.).  Only about 400 psi of N2 left and less CO2 cal. gas.  Last note - seemed like Licor was reading negative CO2, (i.e., -368 ppm) as if the sample and reference cells were switched.

Left it running.