Federal RegisterGlobal Positioning System Pre-Operational Civil Navigation; Message Continuous Broadcast Federal Register Notice (FRN) Announcement

March 5, 2014 The purpose of this notice is to seek comment from the public and industry regarding plans by the United States Air Force to broadcast preoperational L2C and L5 civil navigation (CNAV) messages from certain Global Positioning System (GPS) satellites beginning in April 2014.
These messages will be formatted in accordance with Interface Specifications IS–GPS–200G and IS–GPS–705C. However, a preoperational signal means the availability and other characteristics of the broadcast signal may not comply with all requirements of the relevant Interface Specifications and should be employed at the users’ own risk.

(Click here to) Submit FRN Comments by April 4, 2014

(Click here to) View FRN Comments


GPS IIF-5 Successfully Launched from Cape Canaveral Air Force StationGPS IIF-5 Successfully Launched from Cape Canaveral Air Force Station

February 20, 2014, LOS ANGELES AIR FORCE BASE, Calif -- The U. S. Air Force successfully launched the fifth Global Positioning System (GPS) IIF satellite carried aboard a United Launch Alliance Delta IV launch vehicle at 8:59 PM. EST from Cape Canaveral Air Force Station, FL on Feb. 20th.

GPS IIF-5 will join the GPS constellation providing world class space-based positioning, navigation and timing capabilities. The new capabilities of the IIF satellites include greater navigational accuracy through improvements in atomic clock technology, a more robust signal for commercial aviation and safety-of-life applications.
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Choosing the Right GPS Navigation Device for Commercial Motor Vehicles

GPS Selection Guide for CMVsMarch 11, 2013, US DOT Federal Motor Carrier Safety Administration (FMCSA) in conjunction with U.S. Senator Charles E. Schumer (NY) announced an effort to publicize that not all GPS navigation devices are created equal and that some navigation systems are designed specifically for commercial truck and bus drivers.

Why does it matter which navigation system you use?
If you use a navigation system that does not provide you with important route restrictions, such as low bridge overpasses, the shortcut you thought would save you time and fuel, may, in fact, end up costing you a lot more money than you bargained for… more


2012 Federal Radionavigation Plan (FRP)
2012 Federal Radionavigation Plan (FRP)

April 3, 2013 2013, The Federal Radionavigation Plan (FRP) is the official source of positioning, navigation, and timing (PNT) policy and planning for the Federal Government. This 2012 edition of the FRP reflects the policy and planning for present and future federally provided PNT systems, covering common-use PNT systems (i.e., systems used by both civil and military sectors)



FCC GPS Jammer Enforcement Advisory
FCC GPS Jammer Enforcement Advisory
On March 6, 2012, heightened media interest in the topic led the FCC to issue this updated enforcement advisory for GPS and cell phone jammers...more