USNO
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.

Privacy and Security Notice


* denotes required field

* First Name:
* Last Name:
* E-mail:
* Phone:
Fax:
 
* Organization:
* Address 1:
Address 2:
* City:
* State/Province/Country:
* Postal Code:

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:





amount:

Materials

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

Cost of Materials:






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





Costs






amount:

Format Change Costs

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

Costs





amount:

Software Documentation Costs

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

Costs





amount:

Schedule

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

Time Required





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

Other costs or impacts not covered above:

Yes
No


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



U.S. Naval Observatory
Time Service Department