TAG: GPS modernization

GNSS CEOs see bright future, alternative PNT promises well

December 28, 2016By

It has been a good year for all global navigation satellite systems (GNSS), as the chief executives of each system testify here. Alternative positioning, navigation and timing (PNT) also thrives. In this roundup of the latest highlights from the past year and forecasts for the future, 2017 augurs very well indeed! Let’s look at the newest alternative-PNT offerings first, followed... read more

DoD certifies GPS OCX program to Congress

October 28, 2016By

By Karen Parrish, DoD News, Defense Media Activity An Air Force program that will provide a vital new command system for the global positioning system satellite constellation in the shortest time possible will continue despite cost growth, Defense Department officials have confirmed. The next-generation operational control system, known as OCX, reached what is called a Nunn-McCurdy breach on June 30. The Nunn-McCurdy... read more

How to dissolve funding logjams in Congress

October 21, 2016By

[Editor’s note: This is the Signals Leadership Award acceptance speech given by Clark Cohen at GPS World’s 2016 Leadership Dinner in September. The Award was recognized the development of alternates to GPS based on communication satellites: a method for adding high-accuracy ranging capability to Iridium by modifying the transmitted signal structure of an already flying, programmable constellation. ] Thank you... read more

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GPS III 9 and 10 procured, targeting 2022 launch

October 3, 2016By

The U.S. Air Force Space and Missile Systems Center awarded a contract option to Lockheed Martin Space Systems Company to procure two additional GPS III satellites, space vehicles nine and 10 of the next generation. The contract option procures long lead and production hardware. “The GPS III SV 9 and 10 satellites are expected to be ready for launch in 2022,... read more

Harris delivers first OCX receiver

September 28, 2016By

Harris Corporation delivered the first of 34 modernized receivers to support the GPS Next-Generation Operational Control System (OCX). They will receive the signals sent by the current GPS satellite constellation plus the new signals sent by the next generation GPS III – 13 military and civilian signals in all. The receiver was shipped to the prime contractor, Raytheon Company, in... read more

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Launchpad: OEM, transportation and survey/mapping products

July 20, 2016By

OEM Grandmaster Clock All-in-one time-and-frequency master time and clock server When the VelaSync time server platform was introduced in 2014, it met the needs of financial trading networks’ move to 10 gigabit-per-second networking. Now available with 40-GbE network interfaces, it offers high-performance synchronization for time-sensitive networks. Matching network speeds between timing and data on a single low-latency high-throughput network enhances... read more

CNAV Performance ‘Matches or Slightly Outperforms’ Legacy Signals

March 19, 2015By

A quarterly meeting of the U.S. GPS Program’s interagency Civil Navigation Signals (CNAV) Tiger Team on March 5 focused on the new L2C and L5 GPS civil signals. “CNAV Message Types 10, 11, 30 and 33 are currently transmitted on seven GPS IIR-M (L2C) and eight GPS IIF satellites (L2C and L5),” wrote Rick Hamilton, CGSIC Executive Secretariat, USCG Navigation Center, in a status email to the Civil Global Positioning System Service... read more

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GPS IIF-9 Prepped for March 25 Launch

March 18, 2015By

The U.S. Air Force’s ninth GPS Block IIF satellite (GPS IIF-9) has been encapsulated in the Delta IV rocket’s four-meter-diameter nose cone at a processing facility, and moved to the launch pad at Space Launch Complex 37 for mating to its booster inside the mobile service tower. Launch is scheduled for March 25 at 2:36 p.m. EDT (1836 GMT) from Space Launch Complex... read more