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timing

May 31, 2018

EndRun’s Meridian II Precision TimeBase Combines GPS, 5071A Cesium and Ionospheric Corrections for Optimal Time and Frequency Standard

Precision time and frequency solutions provider EndRun Technologies recently announced the release of a new Cesium Control Module for the Meridian II Precision TimeBase designed to combine the extraordinary benefits of GPS, 5071A Cesium Primary Frequency Standard, and Ionospheric Corrections.  The unique and powerful integration of these technologies provides a time and frequency standard with unparalleled accuracy, stability and holdover performance for the most demanding applications including communications and metrology, according to the company.

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By Inside GNSS
May 21, 2018

2018 IEEE International Frequency Control Symposium

The 2018 IEEE International Frequency Control Symposium, held May 21-24 in Olympic Valley, California, will feature a number of presentations including those focusing on: Materials, Resonators, & Resonator Circuit; Oscillators, Synthesizers, Noise, & Circuit Techniques; Microwave Frequency Standards & Applications; Sensors &

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By Inside GNSS

Ligado Decision May Be At Hand

The federal government is rumored to be nearing a decision about Ligado Networks’ request to repurpose its satellite frequencies to also support a ground-based telecom network. Those frequencies neighbor the band used by GPS. Testing done both several years ago and more recently has shown such a system could seriously interfere with GPS receivers.

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By Dee Ann Divis
March 20, 2018

Technical Panel: Existing Test Results Are Enough to Decide Ligado Interference Question

An independent technical review ordered by the federal government’s top GPS policy body found that there is sufficient data to assess the risk of using frequencies near the GPS band for a ground-based communications network. Existing test results can also be used to set power limits for other similarly located projects, said a panel of technical specialists. Two tests sponsored by Ligado Networks, however, did not meet minimum criteria for inclusion, the panel said.

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By Inside GNSS
March 16, 2018

STMicroelectronics’ Multi-Band GNSS Receiver Offers Autonomous-Driving Precision and Automotive Safety Compliance

Assisting safer autonomous driving, STMicroelectronics recently introduced the world’s first multi-frequency satellite-navigation receiver chipset suitable for safety-critical automotive applications and high accuracy positioning at the decimeter and centimeter-level for precise point positioning (PPP) and real-time kinematic (RTK) applications.

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By Inside GNSS