Lab Report to APMP 2017Time and Frequency

Adam Dunford

27-28 November 2017

2The Big Picture

Changes:• People• Equipment• Lab

Achievements:• Peer assessment – Louis Marais, NMIA• Maintain contribution to UTC• Calibrations – NZ Police

Next steps:• Commission new clock• Complete system upgrade• …

Intro

News

Now

Next

PART 1

News: Major changes

MSL TF report to APMP 2017

3

4A new Time Lord

Intro

News

Now

Next

Tim Armstrong 1984 – Sep 2016• Director: 2008-2016• Chief Metrologist: 2009-2016• Head TF: 1990-2016

Adam Dunford Sep 2016 →

5Who?

Intro

News

Now

Next

𝑁𝑁 ∝ 𝑉𝑉2

• Sonar calibration• Calibration methods• Systems admin• Data

• Collection• Analysis• Management

6A new clock

Intro

News

Now

Next

• Hewlett-Packard 5061a• the Flying Clock!• ~1975-2014

• Microsemi 5071a• Installed Nov 2017

Cs 3396

Cs 933

7New equipment

Intro

News

Now

Next

S650 NTP server

Servers + NAS

Microphase-stepper2X PolaRx4 GPS

PART 2

NOW: 2016-2017 highlights

MSL TF report to APMP 2017

8

92016-2017 highlights

Intro

News

Now

Next

Achievements:• Peer assessment – Louis Marais, NMIA• Maintain contribution to UTC• Calibrations – NZ Police

10Technical Assessment

Intro

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Now

NextAssessor: Louis Marais (NMIA)

Assessed: Sept 2016

Assessment: 17025 compliant

11Maintained Time and Frequency Standards

Intro

News

Now

Next

Sep 2016

Jan 2017

Jul 2017

Nov 2017

12Calibrations

Intro

News

Now

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Client: NZ Police cal lab

DUT: Counters, delay gen, GPSDOs

Reports: 16

PART 3

NEXT: The future

MSL TF report to APMP 2017

13

14Coming up next

Intro

News

Now

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Next steps:• Commission new clock• Complete system upgrade• Laboratory move?• …

15Commission new clock

Intro

News

Now

Next

DoneSynchronise to UTC(MSL)

To do:• Long term monitoring• Contribute to UTC

• …

16Upgrade / install / commission

Intro

News

Now

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Time and Frequency racks August 2016

New racks + new equipmentNov 2017

17A new laboratory?

Intro

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Our site has a long history

18A new laboratory?

Intro

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1942 2018?

19Research …

Intro

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NextPossibilities:• Joint Time/Length project on OFM/frequency comb• NTP stopwatch• Dissemination• Collaboration?• …

20

Intro

News

Now

Next

Fin

Tēnā koutou mo to aro

Thank you for your attention!

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