timing

Next Tranche of GPS Satellites to be called GPS IIIFs

The Global Positioning Systems Directorate, which is poised to launch its procurement of another 22 GPS III satellites, has given its next tranche of spacecraft a name.

"We are officially calling this GPS IIIF," Col. Gerry Gleckel, the Directorate’s deputy director, told the November meeting of the National Space-Based Positioning, Navigation, and Timing (PNT) Advisory Board. "Just as there was a IIF that was the follow-on for the GPS II’s, this is the follow-on for the GPS III."

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By Dee Ann Divis
November 10, 2017

Lawmakers Begin Moving Military Space Management Out of the Air Force

Photo courtesy of GPS.gov.

House and Senate authorizers are forcing a reorganization of the Pentagon’s management of military space programs, giving authority to a soon-to-be-named official to prioritize space budgets across services and setting planning in motion for a possible new department. They also approved spending the full amounts requested for the military GPS programs and mandated that defense officials both test a backup to GPS and look at incorporating European and Japanese GNSS signals into military user equipment.

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By Inside GNSS
November 8, 2017

China Launches Two BeiDou-3 Satellites Featuring Accurate Rubidium Atomic Clocks

According to reports out of China, new, very accurate rubidium atomic clocks onboard two BeiDou-3 satellites launched into space on November 5 have greatly improved the accuracy of the system.

The country launched two BeiDou-3 satellites into space via a single carrier rocket to support its global navigation and positioning network at 11:45 UTC on Sunday (November 5). The satellites were aboard a Long March-3B carrier rocket which took off from Xichang Satellite Launch Center in the southwestern province of Sichuan, according to the China Xinhua News Agency.

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By Inside GNSS
October 12, 2017

Advisory Board Invites Ligado to the Podium

The nation’s leading satellite navigation experts have invited Ligado Networks, a firm whose plans are widely viewed by many as a threat to satnav, to present at their November 15 meeting. If the company accepts, it could illuminate the structure of the terrestrial service it has in mind and either ease, or add fuel to, the ongoing dispute between Ligado and the GPS community.

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By Dee Ann Divis
October 11, 2017

Connected and Autonomous Vehicles to Play a Major Part in Smart Columbus Projects

Carla Bailo, AVP for mobility research and business development at OSU, spoke at ION GNSS+ on Sept. 26. Photo: Institute of Navigation.

If all goes as planned, Columbus, Ohio will become one of the smarter cities around, using drones to deliver medical supplies, autonomous shuttles for college students, and a smart infrastructure that will help with buses, traffic congestion, collision avoidance for both vehicles and pedestrians, and much more.

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By Inside GNSS
September 6, 2017

Tallysman’s TW2643POC GPS/Iridium Antenna Chosen for the Facebook Open Cellular Design

Tallysman’s TW2643POC GPS/Iridium antenna. Photo: Tallysman.

Tallysman announced that Facebook has selected the Ottawa, Canada company’s TW2643POC GPS/Iridium antenna for the Facebook Open Cellular Platform.

The TW2643POC employs Tallysman’s unique Accutenna technology in a magnet mount, passive right hand circularly polarized antenna for the reception of all of the GNSS constellations (GPS L1/GLONASS G1/ Galileo E1/ BeiDou B1) plus Iridium: 1559 to 1626.5 MHz frequency band. It is certified and specially designed to maximize the performance of Iridium Voice and Data Modems plus the upper GNSS band (1559 – 1606MHz).

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By Inside GNSS
June 12, 2017

Microsemi’s Updated TimeProvider 5000 Grandmaster Clock Supports IPv6, Multi-GNSS

TimeProvider 5000 IEEE 1588 Precision Time Protocol (PTP) grandmaster clock. Photo source: Microsemi Corp.
TimeProvider 5000 IEEE 1588 Precision Time Protocol (PTP) grandmaster clock. Photo source: Microsemi Corp.

Microsemi Corporation announced the hardware on its TimeProvider 5000 IEEE 1588 Precision Time Protocol (PTP) grandmaster clock has been updated to support Internet Protocol version 6 (IPv6) and multi-GNSS constellations to ensure better reception and higher security in a wide variety of telecommunications network applications.

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By Inside GNSS
April 25, 2017

International Technical Symposium on Navigation and Timing (ITSNT)

The Basilica of Saint-Sernin is a church in Toulouse, France, the former abbey church of the Abbey of Saint-Sernin or St Saturnin. Wikimedia Commons photo by Guimsou.

The International Technical Symposium on Navigation and Timing is an annual event for professionals and researchers working with or interested in navigation and timing technologies and their use. This event focuses on tackling technical hot topics by inviting internationally recognized speakers from all around the world to share their expertise and views. The audience can easily engage in discussion with these experts during the question sessions and roundtables, and the symposium also provides a great environment for networking and visiting exhibition stands.

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By Inside GNSS