This email has two attachments, giving the official meeting announcement and
the meeting's draft agenda in Word format.
Immediately below this message are plain-ascii versions of the two
attachments, separated by asterisks.
The two sections of text after those, again separated by asterisks, are
"copy and paste" versions of the same two attachments. These have special
characters that could confuse some email-reading software.
I would encourage those of you who feel strongly on this issue to attend the
meeting.
- Demetrios Matsakis
P.S. Our listserv system had some problems with e-mail reception due to a
change in the operating system. If you have attempted to email anything to
leapsecs in the last few weeks, please resend. If you continue to
experience troubles, please contact me directly at dnm_at_usno.navy.mil
<mailto:dnm_at_usno.navy.mil> .
****************************************************************************
**************************************************************
Press Release
A Colloquium on the UTC Timescale will be held at Istituto Elettrotecnico
Nazionale G.
Ferraris (IEN) in Torino, Italy from 28-30 May 2003. The purpose of the
colloquium is to
discuss the future of the UTC timescale.
As a result of issues raised by sector members of the ITU-R and a letter
from the Director of the
Bureau International des Poids et Mesures (BIPM) to the Secretary General of
the ITU, a new
question, ITU-R 236/7 (2000) "The Future of the UTC Timescale", was
generated by ITU-R
Study Group 7 (Science Services) Working Party 7A (Standard Frequency and
Time Signal
Services). The question considers the future definition and use of
Coordinated Universal Time
(UTC) in the ITU-R Recommendations.
Any major change to the UTC timescale as defined in the current
recommendations has a
potentially significant impact on synchronization of communications networks
and navigation
systems and time distribution performance. Accordingly, Study Group 7
Working Party 7A has
established a Special Rapporteur Group (SRG) to specifically address the
future of the leap
second and related issues.
The SRG has held several coordination and technical exchange meetings to
generate, analyze
and discuss alternative approaches to reduce or eliminate the operational
impact of the leap
second. The work to date has produced a consensual opinion that the SRG
wants to present and
discuss with interested and representative parties. In support of that
purpose the SRG has
organized a concluding Colloquium for deliberating and drafting a
recommendation to the ITU-
R.
Invited presentations will be made by distinguished representatives in the
areas of International
Timekeeping, Navigation, Earth Rotation, Telecommunications and Internet
Timing. These
areas could be impacted by changes in the UTC Time Scale. In addition,
contributed
presentations will be sought to insure that additional viewpoints would be
expressed.
Additional information can be obtained from Ron Beard, Chairperson of the
SRG
(Ronald.Beard_at_nrl.navy.mil) and Bill Klepczynski, Secretary of the SRG
(wklepczy_at_comcast.net).
Press Release January 3, 2003 Press Release
****************************************************************************
***************************************************************
ITU-R Special Rapporteur Group (SRG)
Colloquium on the UTC Time Scale
Istituto Elettrotecnico Nazionale G Ferraris (IEN)
Torino, Italy
28-30 May 2003
Introduction/Purpose
As a result of issues raised by sector members and a letter from the
Director of the Bureau
International des Poids et Mesures (BIPM) to the Secretary General of the
ITU, a new question,
ITU-R 236/7 (2000) "The Future of the UTC Timescale", was generated by ITU-R
Study Group
7 (Science Services) Working Party 7A (Standard Frequency and Time Signal
Services). The
question considers the future definition and use of Coordinated Universal
Time (UTC) in the
ITU-R Recommendations.
Any major change to the UTC timescale as defined in the current
recommendations has a
potentially significant impact on network synchronization and time
distribution performance.
Accordingly, Study Group 7 Working Party 7A has established a Special
Rapporteur Group
(SRG) to specifically address the future of the leap second and related
issues.
The SRG has held several coordination and technical exchange meetings to
generate, analyze
and discuss alternative approaches to reduce or eliminate the operational
impact of the leap
second. The work to date has produced within the SRG a consensual opinion
that the SRG
wishes to present and discuss with representative parties of the scientific,
standards and
telecommunications agencies and groups. For that purpose the SRG is
organizing a Colloquium
for deliberating recommendations to the ITU-R.
Invited presentations will be made by distinguished representatives in areas
that could be
impacted by changes in the UTC Time Scale. In addition, contributed
presentations will be
sought to insure that additional viewpoints would be expressed.
Preliminary Agenda
Day 1 - 28 MAY 03
Welcome by Prof. Bava, President of IEN
1. Introduction - Mr. R. Beard, NRL
The charter, purpose and activities of the SRG to date and the detailed
agenda and activities
of this meeting
2. Astronomical Background - Bernard Guinot
Astronomical history and rationale for the current UTC leap second scheme
3. ITU-R Background - Prof. S. Leschiutta, CCTF
International Telecommunications Union, Radio Branch history/rationale for
the current
UTC leap second scheme
4. Considerations for International Timekeeping - Dr. T. Quinn, BIPM
a) Scientific/International issues
b) Operational impacts
c) Financial aspects (cost of changes and other commercial impacts)
Contributed papers
5. Navigation Issues (radio, satellite, GNSS, celestial) - TBD (GLONASS?)
a) Technical issues
b) Operational impacts
c) Financial aspects (cost of changes and other commercial impacts)
Contributed papers
6. Earth Rotation Issues - Dr. D. Gambis, IERS
a) Technical Issues
b) Operational impacts
c) Financial aspects (cost of changes)
Contributed papers
7. Telecommunications Issues - Ms. L. Orr, DISA
a) Technical issues
b) Operational impacts
c) Financial aspects (costs and other commercial impacts or opportunities)
Contributed Papers
8. Internet Timing Issues and Time Stamp Authority - Dr. J. Levine, NIST
d) Technical issues
e) Operational impacts
f) Financial aspects (costs and other commercial impacts or opportunities)
Contributed Papers
9. Presentation of SRG Opinions and Recommendation(s) - Mr. R. Beard
Detailed presentation of SRG Opinions and Recommendation(s)
10. Roundtable discussion
Discussion and Consideration of issues raised on proposed recommendations.
11. Summary of Colloquium
Summarize issues and discussion on Recommendation(s) for Proceedings and
Documentation for coordination with interested agencies and scientific
bodies
Adjourn the General Meeting
Day 3 - 15 NOV 02
SRG Executive Meeting (by invitation)
Considerations on preparing Summary of Results of the Colloquium
Finalization of Recommendation(s) to the ITU-R
Adjournment
DRAFT 3 January 2003 DRAFT
****************************************************************************
****************************************************************************
********************************
Press Release
A Colloquium on the UTC Timescale will be held at Istituto Elettrotecnico
Nazionale G. Ferraris (IEN) in Torino, Italy from 28-30 May 2003. The
purpose of the colloquium is to discuss the future of the UTC timescale.
As a result of issues raised by sector members of the ITU-R and a letter
from the Director of the Bureau International des Poids et Mesures (BIPM) to
the Secretary General of the ITU, a new question, ITU-R 236/7 (2000) "The
Future of the UTC Timescale", was generated by ITU-R Study Group 7 (Science
Services) Working Party 7A (Standard Frequency and Time Signal Services).
The question considers the future definition and use of Coordinated
Universal Time (UTC) in the ITU-R Recommendations.
Any major change to the UTC timescale as defined in the current
recommendations has a potentially significant impact on synchronization of
communications networks and navigation systems and time distribution
performance. Accordingly, Study Group 7 Working Party 7A has established a
Special Rapporteur Group (SRG) to specifically address the future of the
leap second and related issues.
The SRG has held several coordination and technical exchange meetings to
generate, analyze and discuss alternative approaches to reduce or eliminate
the operational impact of the leap second. The work to date has produced a
consensual opinion that the SRG wants to present and discuss with interested
and representative parties. In support of that purpose the SRG has
organized a concluding Colloquium for deliberating and drafting a
recommendation to the ITU-R.
Invited presentations will be made by distinguished representatives in the
areas of International Timekeeping, Navigation, Earth Rotation,
Telecommunications and Internet Timing. These areas could be impacted by
changes in the UTC Time Scale. In addition, contributed presentations will
be sought to insure that additional viewpoints would be expressed.
Additional information can be obtained from Ron Beard, Chairperson of the
SRG (Ronald.Beard_at_nrl.navy.mil) and Bill Klepczynski, Secretary of the SRG (
<mailto:wklepczy_at_comcast.net> wklepczy_at_comcast.net).
****************************************************************************
******************************************
ITU-R Special Rapporteur Group (SRG)
Colloquium on the UTC Time Scale
Istituto Elettrotecnico Nazionale G Ferraris (IEN)
Torino, Italy
28-30 May 2003
Introduction/Purpose
As a result of issues raised by sector members and a letter from the
Director of the Bureau International des Poids et Mesures (BIPM) to the
Secretary General of the ITU, a new question, ITU-R 236/7 (2000) "The Future
of the UTC Timescale", was generated by ITU-R Study Group 7 (Science
Services) Working Party 7A (Standard Frequency and Time Signal Services).
The question considers the future definition and use of Coordinated
Universal Time (UTC) in the ITU-R Recommendations.
Any major change to the UTC timescale as defined in the current
recommendations has a potentially significant impact on network
synchronization and time distribution performance. Accordingly, Study Group
7 Working Party 7A has established a Special Rapporteur Group (SRG) to
specifically address the future of the leap second and related issues.
The SRG has held several coordination and technical exchange meetings to
generate, analyze and discuss alternative approaches to reduce or eliminate
the operational impact of the leap second. The work to date has produced
within the SRG a consensual opinion that the SRG wishes to present and
discuss with representative parties of the scientific, standards and
telecommunications agencies and groups. For that purpose the SRG is
organizing a Colloquium for deliberating recommendations to the ITU-R.
Invited presentations will be made by distinguished representatives in areas
that could be impacted by changes in the UTC Time Scale. In addition,
contributed presentations will be sought to insure that additional
viewpoints would be expressed.
Preliminary Agenda
Day 1 - 28 MAY 03
Welcome by Prof. Bava, President of IEN
1. Introduction - Mr. R. Beard, NRL
The charter, purpose and activities of the SRG to date and the detailed
agenda and activities of this meeting
2. Astronomical Background - Bernard Guinot
Astronomical history and rationale for the current UTC leap second scheme
3. ITU-R Background - Prof. S. Leschiutta, CCTF
International Telecommunications Union, Radio Branch history/rationale for
the current UTC leap second scheme
4. Considerations for International Timekeeping - Dr. T. Quinn, BIPM
a) Scientific/International issues
b) Operational impacts
c) Financial aspects (cost of changes and other commercial impacts)
Contributed papers
5. Navigation Issues (radio, satellite, GNSS, celestial) - TBD (GLONASS?)
a) Technical issues
b) Operational impacts
c) Financial aspects (cost of changes and other commercial impacts)
Contributed papers
6. Earth Rotation Issues - Dr. D. Gambis, IERS
a) Technical Issues
b) Operational impacts
c) Financial aspects (cost of changes)
Contributed papers
7. Telecommunications Issues - Ms. L. Orr, DISA
a) Technical issues
b) Operational impacts
c) Financial aspects (costs and other commercial impacts or
opportunities)
Contributed Papers
8. Internet Timing Issues and Time Stamp Authority - Dr. J. Levine, NIST
d) Technical issues
e) Operational impacts
f) Financial aspects (costs and other commercial impacts or
opportunities)
Contributed Papers
9. Presentation of SRG Opinions and Recommendation(s) - Mr. R. Beard
Detailed presentation of SRG Opinions and Recommendation(s)
10. Roundtable discussion
Discussion and Consideration of issues raised on proposed recommendations.
11. Summary of Colloquium
Summarize issues and discussion on Recommendation(s) for Proceedings and
Documentation for coordination with interested agencies and scientific
bodies
Adjourn the General Meeting
Day 3 - 15 NOV 02
SRG Executive Meeting (by invitation)
Considerations on preparing Summary of Results of the Colloquium
Finalization of Recommendation(s) to the ITU-R
Adjournment
Received on Tue Jan 07 2003 - 08:18:07 PST