Notices. Notice and request for review/comment of changes to IS-GPS-705

286 words·~1 min read·/register/2004/09/23/04-21365

A research copy — for the controlling text, always check the official state or federal source. Not legal advice.

BILLING CODE 5001-05-P DEPARTMENT OF DEFENSE Department of the Air Force Request for Public Review and Comment of Changes to the Navstar GPS Space Segment/User Segment L5 Interface Specification

(IS)AGENCY: Department of the Air Force, DoD. ACTION: Notice and request for review/comment of changes to IS-GPS-705. SUMMARY: This notice informs the public that the Global Positioning System

(GPS)Joint Program Office

(JPO)proposes to revise IS-GPS-705, Navstar GPS Space Segment/User Segment L5 Interfaces. This proposal is designated as PIRN-705-001. One of the main subjects of this revision effort is an introduction of new Improved Clock & Ephemeris

(ICE)navigation message that will be broadcast with L5 signal. The proposal can be viewed and downloaded at the following Web site: *http://gps.losangeles.af.mil.* Click on “System Engineering”, then “Public Interface Control Working Group (ICWG)”. Reviewers should save the document to a local memory location prior to opening and performing the review. 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: *smc.gperc@losangeles.af.mil.* Comments may also be sent by fax to 1-310-363-6387. DATES: The suspense date for comment submittal is 15 September 2004. FOR FURTHER INFORMATION CONTACT: GPERC at 1-310-363-2883, GPS JPO System Engineering Division, 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. 04-21365 Filed 9-22-04; 8:45 am]