UTC Leap Second Survey Form

U.S. Naval Observatory
UTC Leap Second Survey Form

UTC LEAP SECOND SURVEY

The International Telecommunications Union Radiocommunications Sector will soon be considering a proposal to discontinue the periodic addition of leap seconds to Coordinated Universal Time. This Memorandum and white paper from Assistant Secretary of Defense John G. Grimes dated Sep 03, 2008 provides background information.

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Contact Information This information is confidential and will not be made public.
* denotes required field

* First Name:
* Last Name:
* E-mail:
* Phone:
Fax:

* Organization:
* Address 1:
Address 2:
* City:
* State/Province/Country:
* Postal Code:

Do you require:

UTC only (Please fill out Part A).
UT1 only (Please fill out Part B. )
Both UTC and UT1 (Please fill out Parts A and B.)

Part A - Estimation of the Cost of Implementing Leap Seconds in UTC

Please provide a rough estimate of the personnel hours and costs per leap second insertion:.

Hours:

less than 40
between 40 and 80
between 80 and 160
more than 160

Personnel Costs
less than $5K
between $5K and $10K
between $10K and $50K
between $50K and $100K
more than $100K amount:

Materials

Please provide a rough estimate of the materials cost involved in inserting leap seconds: per leap second insertion:

Cost of Materials:

less than $5K
between $5K and $10K
between $10K and $50K
between $50K and $100K
more than $100K
amount:

Briefly list risks to your system associated with continuing insertion of leap seconds:

Other costs or impacts not covered above:

Part B - Estimating the Cost of Changing to UTC Without Leap Seconds
i.e. (UTC1 - UTC) greater than 0.9 seconds.

Computer Code

Please provide a rough estimate of the number of lines of code and associated costs required to make the change to UTC without leap seconds:

Lines of Code

under 20
between 20 and 40
between 40 and 100
more than 100

Costs

less than $5K
between $5K and $10K
between $10K and $50K
between $50K and $100K
more than $100K
amount:

Format Change Costs

Please provide a rough estimate of the costs to change existing formats:

Costs

less than $50K
between $50K and $100K
between $100K and $200K
more than $200K
amount:

Software Documentation Costs

Please provide a rough estimate of the costs to modify current documentation:

Costs

less than $50K
between $50K and $100K
between $100K and $200K
more than $200K
amount:

Schedule

Please provide a rough estimate of the time required to complete and test these changes:

Time Required

less than 1 year
between 1 and 3 years
between 3 and 5 years
between 5 and 10 years

Briefly list risks to your system should a change in the definition of UTC be made:

Other costs or impacts not covered above:

Would you like to receive a summary of the results of this survey by email as soon as data is available?
Note: all contact information is confidential and will not be released to the public.

Yes
No

Thank you for participating in this survey.
Time Service Department U.S. Naval Observatory

U.S. Naval Observatory
Time Service Department