[Exports_project_office] Fresh calbrations = YES and a PO Call this Thursday 1/7 at the regular time!!!

Thu Jan 7 08:28:37 PST 2021

Reminder to all.

From: Exports_project_office <exports_project_office-bounces at espo.nasa.gov> On Behalf Of David Siegel via Exports_project_office
Sent: Monday, January 4, 2021 8:07 PM
To: Craig M. Lee <craiglee at uw.edu>
Cc: exports_project_office at espo.nasa.gov
Subject: [Exports_project_office] Fresh calbrations = YES and a PO Call this Thursday 1/7 at the regular time!!!

HI All,

First, Happy New Years to you and yours!!  So glad to have 2020 behind us.  Here's to the hope that 2021 will be both successful and healthy for all!!!

Second, I suppose it would be good to have a PO call this coming Thursday - Jan 7 - 9am PST / Noon EST - https://ucsb.zoom.us/j/4233295672<https://gcc02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fucsb.zoom.us%2Fj%2F4233295672&data=04%7C01%7Civona.cetinic%40nasa.gov%7C60d1f75640094439c65108d8b1164060%7C7005d45845be48ae8140d43da96dd17b%7C0%7C0%7C637454056450898732%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=1MYuc6vfQJ2FnVK7tqKtuHMaezQgmlig8B2jUW5t798%3D&reserved=0>

Craig, thanx for pushing fresh calibration of the ship's instrumentationforward. We will kick our selves if we do not do this.  So unless Laura screams NO, I think we should go forward with this.

More on Thursday.

Best, Dave

On Jan 4, 2021, at 2:26 PM, Craig M. Lee via Exports_project_office <exports_project_office at espo.nasa.gov<mailto:exports_project_office at espo.nasa.gov>> wrote:

Before I make the cal request to NOC, are we all OK with the aded cost? It's not extreme (roughly $10k), but it is an added cost.

Thanks,
Craig

--
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Craig M. Lee
University of Washington
Applied Physics Laboratory
1013 NE 40th St.
Seattle, WA 98105-6698
craiglee at uw.edu<mailto:craiglee at uw.edu>
(206) 685-7656
(206) 543-6785 (fax)
http://iop.apl.washington.edu<https://gcc02.safelinks.protection.outlook.com/?url=http%3A%2F%2Fiop.apl.washington.edu%2F&data=04%7C01%7Civona.cetinic%40nasa.gov%7C60d1f75640094439c65108d8b1164060%7C7005d45845be48ae8140d43da96dd17b%7C0%7C0%7C637454056450908664%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=YKMw6%2BuOEehKvVofB%2FVNoys9eJl8IFqpyLw2jMo1TTI%3D&reserved=0>
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On Dec 28, 2020, at 8:01 PM, Ivona Cetinic <icetinic at gmail.com<mailto:icetinic at gmail.com>> wrote:

I think you should suggest to him to proceed with your #1 (calibrate all). I see no other way of doing it.

Ivona

On Mon, Dec 28, 2020 at 10:41 PM Craig M. Lee via Exports_project_office <exports_project_office at espo.nasa.gov<mailto:exports_project_office at espo.nasa.gov>> wrote:
Andrew's email suggest that they think it's possible. I agree that the timeline seems very tight, so it may be that they have not yet done a thorough investigation of lead times.

--
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Craig M. Lee
University of Washington
Applied Physics Laboratory
1013 NE 40th St.
Seattle, WA 98105-6698
craiglee at uw.edu<mailto:craiglee at uw.edu>
(206) 685-7656
(206) 543-6785 (fax)
http://iop.apl.washington.edu<https://gcc02.safelinks.protection.outlook.com/?url=http%3A%2F%2Fiop.apl.washington.edu%2F&data=04%7C01%7Civona.cetinic%40nasa.gov%7C60d1f75640094439c65108d8b1164060%7C7005d45845be48ae8140d43da96dd17b%7C0%7C0%7C637454056450908664%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=YKMw6%2BuOEehKvVofB%2FVNoys9eJl8IFqpyLw2jMo1TTI%3D&reserved=0>
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On Dec 28, 2020, at 7:23 PM, Cetinic, Ivona (GSFC-616.0)[UNIVERSITIES SPACE RESEARCH ASSOCIATION] <ivona.cetinic at nasa.gov<mailto:ivona.cetinic at nasa.gov>> wrote:

Hello Craig,

Sorry for slow reply - I agree with you - we could use all fresh calibrations. However - is that possible in this point? I can put some pressure on Seabird to ensure the needed turnaround, but outside of that - my hands are tied.

Ivona

From: Exports_project_office <exports_project_office-bounces at espo.nasa.gov<mailto:exports_project_office-bounces at espo.nasa.gov>> On Behalf Of Craig M. Lee via Exports_project_office
Sent: Tuesday, December 22, 2020 11:56 AM
To: EXPORTS PO <exports_project_office at espo.nasa.gov<mailto:exports_project_office at espo.nasa.gov>>
Subject: [Exports_project_office] Fwd: NASA EXPORTS Cruises (Instrumentation/Calibration Question from Nov Planning Meeting)

Hi All,

Received this from Andrew Moore at NOC - specs for their light sensors and thoughts on calibrations.

Andrew supplies lists of sensors carried by the two ships. Note that this covers underway (met and flow-through) only, and does not include the CTD  sensor suites.

Looking at the summary for Cook, by the time we sail most of the cals will be a year old, with some pushing two years. All will be waiting the manufacturer's recommended calibration interval (the 'cal due date' on the sheet). They also carry spares (that I assume are also with their calibration intervals).

Andrew quotes ~ GBP 7,500 for doing fresh calibrations on the entire sensor set, and also offers the option of having fresh cals run on selected sensors, if we don't feel the need to do the entire suite. Some thoughts (in order of prefefence):
(1) Have everything freshly calibrated (as we are doing with our own sensors). This would be my first choice.
(2) Calibrate everything that will be over a year since last cal., but also include CM6 Pyrometer, PAR, C-Star and WETStar regardless of time since last cal.
(3) Calibrate everything that will be over a year since last cal.

I do not think it would be wise to begin our work with Discovery and Cook's sensor suites in whatever state they arrive in.

Best Regards,

Craig

--
-------------------------------------------------------
Craig M. Lee
University of Washington
Applied Physics Laboratory
1013 NE 40th St.
Seattle, WA 98105-6698
craiglee at uw.edu<mailto:craiglee at uw.edu>
(206) 685-7656
(206) 543-6785 (fax)
http://iop.apl.washington.edu<https://gcc02.safelinks.protection.outlook.com/?url=http%3A%2F%2Fiop.apl.washington.edu%2F&data=04%7C01%7Civona.cetinic%40nasa.gov%7C60d1f75640094439c65108d8b1164060%7C7005d45845be48ae8140d43da96dd17b%7C0%7C0%7C637454056450918623%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=Gh%2FU%2FDCoSqpf5nO1IQp0On6cSB6F2mfp411B7mrRTIM%3D&reserved=0>
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Begin forwarded message:

From: "Moore, Andrew S." <anmo at noc.ac.uk<mailto:anmo at noc.ac.uk>>
Subject: NASA EXPORTS Cruises (Instrumentation/Calibration Question from Nov Planning Meeting)
Date: December 22, 2020 at 2:39:55 AM PST
To: "Craig M. Lee" <craiglee at uw.edu<mailto:craiglee at uw.edu>>

Hello Craig,

I just wanted to respond to a couple of questions regarding underway sampling instrumentation that were raised at the NASA Exports cruise planning meeting held in November.

1) Detectable wavelengths of our light sensors:

  *   On each vessel we use two Kipp & Zonen CMP6 pyranometer instruments. Their specification for spectral range is 285-2800nm (https://www.kippzonen.com/Product/12/CMP6-Pyranometer<https://gcc02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.kippzonen.com%2FProduct%2F12%2FCMP6-Pyranometer&data=04%7C01%7Civona.cetinic%40nasa.gov%7C60d1f75640094439c65108d8b1164060%7C7005d45845be48ae8140d43da96dd17b%7C0%7C0%7C637454056450918623%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=ze8D0kf0x5UJ9bCOOvi4uDMuaB1sfIBzDyKwfE2scBI%3D&reserved=0>)
  *   We also have two Photosynthetically Active Radiation sensors (PAR) on each vessel to be used in conjunction with the above pyranometer sensor for monitoring the ratio of PAR light in total solar radiation.
  *   These are mounted in port and starboard pairs on the met platform at the bow of each vessel
2) Calibration Intervals/New Calibrations

  *   We observe all the manufacturers advice on service and calibration intervals (mostly yearly, with the exception of the light sensors, thermosalinograph and transmissometer which are recommended for 2 yearly servicing/calibration periods). We also hold a suite of spare sensors onboard in case of a failure during an active cruise.
  *   I know the question of having new ('fresh') calibrations was raised and this is something we are happy to explore if you would like us to. I have looked at our capacity for doing so, and it is something we could achieve for most sensors if that was desired. I think you said you have encountered some rather neglected meteorological suites of instruments, so I wanted to reiterate that our intention is to always have the system maintained and operational, which is usually possibly as one of our team is generally onboard throughout the year.
  *   I have attached a full list of the calibrated underway sampling instruments that we use (I've included links to their manufacturers pages/specifications - but very happy to answer any specific questions you may have regarding any instrument).
  *   if there were particular priorities for fresh calibrations (or certainties on exclusions), then we can plan accordingly. We would then be able to include any additional calibration costs to the cruise costings.
  *   Just for transparency/reference: I have also included two examples of our current calibration plan (we maintain this active document online to allow planning etc.) - this is what I'll be using to plan any alternatives for fresh calibrations. Many of our sensors are swapped out during the summer vessel refit period, so we tend to see July/Aug/Sept for when our calibration periods require renewal.
  *   Subject to any above priorities/exclusions, I have also included a breakdown of costs for achieving these fresh calibrations. For a full 'fresh' set on both vessels this would amount to a total of approximately 7500GBP, although just to reiterate, this includes items such as two transmissometers, which to my understanding is more of a serviced item, than an issue of calibration.

     *   The only caveat to the 'full fresh set' approach is that at most we would only be able to freshly calibrate 3 of the 4 TIR sensors, as we don't have sufficient instruments to rotate whilst still maintaining coverage on the current cruise programme. Of course the forth instrument would still be within its standard recommended calibration interval.

  *   Calibrations are all conducted at either the manufacturers calibration facility or a facility endorsed by the manufacturer - if you have any concerns about the standards, or particular requests then please let me know and I'll try to help.
Apologies for the length of the email, but I hope the information is useful. Please let me know if you've any questions (about this, or anything else) and if you'd like us to pursue any aspect beyond what we would normally provide for calibrations. Because calibration times for some items could be 8 weeks or more, it would be appreciated if you could advise us of any requests by the end of January if possible please, then we would do our best to try to prepare for them to be included in the cruise.

Very best wishes, and Happy Holidays.

Andrew Moore

Seagoing Technician
National Oceanography Centre

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