GNSS

H-IIA Launch Vehicle No. 44 at the Yoshinobu Vehicle Assembly Building, JAXA Tanegashima Space Center. in preparation for launch of the successor to the Michibiki Unit 1 on Oct. 25. (Photo: MHI)

October 20, 2021

QZSS successor satellite set to launch Tuesday

By Tracy Cozzens

Photo: Andrea Izzotti/Shutterstock.com

October 20, 2021

Senate proposes $15M to develop GPS alternatives

(Satellites from left) GPS: In July 1995, GPS achieved full operational capability (FOC). GLONASS: In December 1995, the (then) Soviet system achieved FOC. BeiDou: On June 23, 2020, China launched the final satellite of the BeiDou-3 constellation. Galileo: The constellation has 21 usable satellites.(Credit: Satellites from public sources; background image: NASA/Chaykovsky Igor/Shutterstock.com)

October 18, 2021

Global GNSS constellations: Why 2 + 2 equals more than 4

By Matteo Luccio

Knowing your position is only part of navigation. (Photo: Oliver Montenbruck)

October 18, 2021

GNSS today: A four-leaf clover

By Oliver Montenbruck and Peter Steigenberger

Photo: Septentrio

October 18, 2021

Septentrio partners with ArduSimple for emerging GPS/GNSS applications

By Tracy Cozzens

October 18, 2021

DHS offers resources to protect critical infrastructure from GPS vulnerabilities

By Tracy Cozzens

Image: GarryKillian/iStock/Getty Images Plus/Getty Images

October 13, 2021

Europe awards seven contracts for alternative PNT demos

Image: imaginima/iStock / Getty Images Plus

October 5, 2021

NextNav, Satelles collaborate on Bay Area alternative PNT testbed

By Tracy Cozzens

October 1, 2021

GNSS constellations create four strong winds

By Matteo Luccio

The ADACORSA Project vision. (Credit: ADACORSA)

September 29, 2021

Celestia Technologies Group joins European move for long-range drones

By Tracy Cozzens

September 29, 2021

Editorial Advisory Board Q&A: Public or private sector?

By Tracy Cozzens

Three test trains, one per rail operator (SNCF, DBN Netz and SBB/Siemens), are used to collect real data. Above is an SBB train in the Lavaux-Oron district, Switzerland. (Photo: RomanBabakin/iStock/Getty Images Plus/Getty Images)

September 29, 2021

EUSPA project applies space tracking to railways

By Tracy Cozzens

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