27 June 2001

[Federal Register: June 26, 2001 (Volume 66, Number 123)]
[Page 33951-33952]
From the Federal Register Online via GPO Access []



Department of the Air Force

Request for Public Review and Comment of Changes to the Space 
Segment/User Segment Interface Control Document (ICD) for the L2 Civil 
Signal (L2C)

AGENCY: Department of the Air Force, DoD.

ACTION: Notice.


SUMMARY: This notice informs the public that the Global Positioning 
System (GPS) Joint Program Office (JPO) proposes to revise ICD-GPS-200, 
NAVSTAR GPS Space Segment/Navigation User Interface, to include the 
description of the proposed L2C signal, to be transmitted at the L2 
frequency (1227.6 MHz). These proposed changes are described in draft 
Preliminary Proposed Interface Revision Notice (PPIRN), PPIRN-200C-007. 
The draft PPIRN can be reviewed at the following web site: Select the ``GPS Library'' tab, then select the 
``GPS Public'' tab, and then select the ``Public Documents'' selection. 
Hyperlinks are provided to ``DRAFT-PPIRN-200C-007 (PDF)'' and to review 
instructions. Reviewers 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/CZER, 2420 Vela Way, Suite 1467, El 
Segundo, CA 90245-5469, ATTN: 1st Lt Reginald C. Victoria. 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: Comments may also 
be sent by fax to (310) 363-6387.

DATES: The suspense date for comment submittal is July 17, 2001.

FOR FURTHER INFORMATION CONTACT: Capt Eric Y. Moore, Configuration 
Management Processes Coordinator, (310) 363-5117, or 1st Lt Reginald C. 
Victoria, ICD-GPS-200C Point of Contact, (310) 363-6329, GPS JPO System 
Engineering Division, 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

[[Page 33952]]

produce accurate position, navigation and time information.

Janet A. Long,
Air Force Federal Register Liaison Officer.
[FR Doc. 01-15943 Filed 6-25-01; 8:45 am]