[Federal Register Volume 68, Number 218 (Wednesday, November 12, 2003)]
[Notices]
[Page 64090]
From the Federal Register Online via the Government Publishing Office [www.gpo.gov]
[FR Doc No: 03-28332]


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DEPARTMENT OF DEFENSE

Department of the Air Force


Request for Public Comment of Draft Preliminary Proposed 
Interface Revision (PPIRN) to L5 Civil Signal Interface Specification 
(IS)

AGENCY: Department of the Air Force, DoD.

ACTION: Notice and request for review/comment of draft PPIRN-705-001.

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SUMMARY: This notice informs the public that the Global Positioning 
System (GPS) Joint Program Office (JPO) has released the current draft 
of PPIRN-705-001 dated 23 Oct 03 to IS-GPS-705, Navstar GPS Space 
Segment/User Segment L5 Interfaces, for public review and comment. This 
PPIRN describes the improved clock and ephemeris (ICE) message for L5, 
a signal to be incorporated into the GPS system for the benefit of the 
civilian community. The draft PPIRN can be reviewed at the following 
Web site: http://gps.losangeles.af.mil. Click ``System Engineering,'' 
then click ``Public Interface Control Working Group (ICWG)''. 
Hyperlinks to the PPIRN and review instructions are provided. The 
reviewer should save the PPIRN to a local memory location prior to 
opening and performing the review. All comments and their resolutions 
will be posted to the Web site.

ADDRESSES: Submit comments to SMC/GPERC, 2420 Vela Way, Suite 1467, El 
Segundo CA 90245-4659. A comment matrix is provided for your 
convenience at the web site and is the preferred method of comment 
submittal. Comments may be submitted to the following Internet address: 
[email protected]. Comments may also be sent by fax to 1-310-
363-6387.

DATES: The suspense date for comment submittal is December 12, 2003.

FOR FURTHER INFORMATION CONTACT: GPERC, GPS JPO System Engineering 
Division at 1-310-363-2883, or write to the address above.

SUPPLEMENTARY INFORMATION: The civilian and military communities use 
the Global Positioning System, which employs a constellation of 24 
satellites to provide continuously transmitted signals to enable 
appropriately configured GPS user equipment to produce accurate 
position, navigation and time information.

Pamela D. Fitzgerald,
Air Force Federal Register Liaison Officer.
[FR Doc. 03-28332 Filed 11-10-03; 8:45 am]
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