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Discussing the new North American-Pacific Geopotential Datum of 2022 — Part 4

December 6, 2017 - By

My last column focused on the National Geodetic Survey’s (NGS) current plans for estimating North American-Pacific Geopotential Datum of 2022 (NAPGD2022) GNSS-derived orthometric heights and incorporating geodetic leveling data into NAPGD2022 to establish orthometric heights consistent with GNSS-derived NAPGD2022 orthometric heights. It emphasized that after NAPGD2022 is established, the primary means for deriving orthometric heights on monuments will be using... read more

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Directions 2018: GLONASS focuses on user needs

December 6, 2017 - By , and

By Sergey Karutin, GLONASS designer general; Nicolay Testoedov, Director General, SC Information Satellite Systems; and Andrey Tulin, Director General, SC Russian Space Systems This year has marked the 35th anniversary of the first GLONASS launch. During these years, the world has made great strides through high tech, and now no modern society can progress without satellite-based navigation. Today’s urban resident... read more

This article is tagged with , , , , , , , and posted in GNSS, Opinions

Launchpad: New RTK system for surveyors

December 5, 2017 - By

SURVEY & MAPPING RTK survey system Using a smartphone Tersus David RTK is a real-time kinematic solution for centimeter-level accuracy using a smartphone. By plugging into a smartphone with a USB cable, The Tersus David turns the phone into an RTK rover, geographic information system (GIS) collector and RTK base. It supports GPS L1/L2, BeiDou B1/B2 and GLONASS G1/G2 signals.... read more

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New M-code GPS capability tested onboard B-2 bomber

December 5, 2017 - By

M-code receiver enhances security, positioning, navigation and timing capabilities The U.S. Air Force recently completed a series of successful flight tests of its next-generation military-code GPS using a Raytheon Company receiver onboard a B-2 Spirit at Edwards Air Force Base, California. This first M-code test onboard the B-2 is an important milestone for the U.S. government-led GPS modernization effort to enhance... read more

This article is tagged with , , , , , , , and posted in Defense, Featured Stories, GNSS

Microsemi enhances SyncServer S600 server for Ethernet networks, satellite uplinks

December 5, 2017 - By

Microsemi Corporation is offering new hardware and software options for its SyncServer S600 series of time servers and instruments. The enhancements improve time synchronization over enterprise Ethernet networks and supply timing signals for improved military radar operations and satellite uplink communications. “The SyncServer S600 series provides highly accurate, reliable and secure time for a variety of applications, not the least... read more

This article is tagged with , , , , , , , , and posted in Defense, Latest News, Mobile

NIST explores timing alternatives for smart grids

December 5, 2017 - By

The National Institute of Standards and Technology (NIST) has published a 33-page special publication reporting on the results of a workshop convened to recommend research and development priorities for alternatives to GPS time distribution in electrical power systems. “If timing is to become mission critical, redundant means of distributing timing information is essential,” according to NIST. NIST hosted the “Time Distribution... read more

This article is tagged with , , , , , , , , and posted in Latest News, Mobile, OEM

US Supreme Court considers privacy — or not — of your location data

December 5, 2017 - By

The U.S. Supreme Court heard arguments last week on a case that could determine whether authorities can search cellphone location data without a warrant. In Carpenter v. U.S., the Court will eventually rule on whether the Fourth Amendment of the U.S. Constitution’s Bill of Rights, enacted in 1791 to safeguard citizens’ rights against unreasonable searches and seizures, extends to cover... read more

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Unicore presents heading module, GNSS SoC at Intergeo 2017

December 5, 2017 - By

Unicore Communications’ Kongzhe Chen discusses the company’s UM482 all-system multi-frequency high-precision heading module and UFirebird UC6226 GNSS SoC at Intergeo 2017, which took place Sept. 26-28 in Berlin, Germany. read more

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