(r3) 140922ZTFT < Palomar/ZTF

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---++Meeting with POMO
Date: Sep 22, 2014 (Mon)<br>
Time: 10 am  (7:00am PDT departure from Cahill)<br>
Location: Palomar conference room and P48 ... TBC<br>


*Participation*

|*Attending at from POMO*:  Dan McKenna, John Henning, Bruce Baker, Kevin Rykoski, Drew Roderick, Carl Dunscombe |
|*Attending from Campus*:   Richard Dekany, Roger Smith, Paul Gardner, Justin Belicki |

*Agenda* 

   * Intro to ZTF - Rich Dekany (45 minutes)
   * Telescope Requirements - Roger Smith (30 minutes)
   * Open Discussion on how requirements translate to the physical work on the telescope (1-2 hours)
   * Lunch (continued discussion during lunch)
   * Resources/Scheduling/Management Structure (1 hr)

*Minutes* 

   * Need to coordinate on UPS selection for instruments;  coolers need UPS too.
   * Divide improvements up and implement as separate projects: start with down time concentrated in rainy winter period.   Many tasks can proceed with daytime work which we would like to start well before commissioning.
   * Add field rotation to IRD: control with polar axis (mis)alignment or hexapod?
   * Roger (and Richard Walters) test whether dust on corrector can be measured by direct illumination of corrector when looking at sky (e.g. with flat field LEDs).
   * Need counterweight for telescope shake test.
   * Need to calculate mass distribution and start on new counterweights.
   * Paul to select suitable low outgassing black paint.
   * Dan will select differential pressure sensor for wind and install.  Roger will send wind speed calculation to Dan.
   * Let's run Archon CCD controller in dome to determine if there is noise pickup in our passband.
   * Dome drive: begin after Aluminizing (Dec)
   * Windscreen: may order new blinds and possibly better encoders.   POMO will test to decide what is needed.   Currently bang-bang may needs speed controlled motor and better encoder.   Rich, proposes delaying work on this until tests indicate that its needed:  motor torque, differential wind pressure, telescope shake tests.
   * Done to go wireless to allow the back side slip rings to be decommissioned.
   * Need one spare dome truck to serve 60" and 48".
   * Need to add blind pointing specs to IRD. 
 


-- Main.RogerSmith - 20 Sep 2014