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TAG: PPP-RTK

Photo: dbrooksNY, Wikimedia Commons, CC BY 2.0

SmartNav makes GPS ultra-precise, even in tough urban canyons

October 14, 2025

NTNU researchers have built SmartNav, a system that overcomes urban GPS errors using satellite corrections and Google’s 3D data.


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This article is tagged with , , , , , and posted in Latest News, Mapping, Transportation
Fix rates of kinematic PPP-AR at global stations calculated with different systems. (Credit: Satellite Navigation)

PPP GNSS delivers real-time positioning with centimeter accuracy

July 7, 2025

Precise Point Positioning (PPP) has long held promise as a standalone, high-accuracy positioning technique, but its slow convergence […]


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This article is tagged with , , , , and posted in Latest News, Transportation, UAS/UAV, UAV/UGV
The TW5390 is a multi-band (L1/L2), multi-constellation integrated GNSS receiver/antenna with Inertial Measurment Unit (Untethered Dead Reckoning) and integrated L-Band corrections receiver for stand alone RTK for Precise Point Positioning. (Photo: Tallymatics)

Tallymatics launches TW5390 antenna with IP network and L-band capability

September 29, 2022

Tallymatics has introduced the TW5390 smart antenna with IP network and L-band augmentation service capability. Tallymatics is a […]


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This article is tagged with , , , , , , , , and posted in Latest News, OEM, Product Showcase
Photo: 1Spatial

Launchpad: Mapping software, MEMS accelerometers

February 24, 2022

A roundup of recent products in the GNSS and inertial positioning industry from the February 2022 issue of GPS World magazine.


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This article is tagged with , , , , , , and posted in From the Magazine, Mapping, OEM, Survey
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Vodafone tests remote centimeter-level tracking tech

February 16, 2021

New tech can track vehicles, drones and cargo remotely within centimeters — key to safe adoption of autonomous […]


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This article is tagged with , , , , , , , , , and posted in Latest News, Mobile, Transportation
QZSS logo

Japan’s CLAS positioning service receives major upgrade

December 2, 2020

Japan’s Quasi-Zenith Satellite System (QZSS) CLAS received a major enhancement on Nov. 30. QZSS CLAS (centimeter-level augmentation service) […]


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This article is tagged with , , , , , , , , and posted in GNSS, Latest News
Image: Sapcorda

Sapcorda expands GNSS augmentation service for autonomous vehicles

October 16, 2020

GNSS augmentation solution targets North America and Europe with safe and precise centimeter-level accuracy performance from two geostationary […]


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This article is tagged with , , , , , , , , , and posted in Latest News, Transportation
User receivers often get their GNSS corrections via a subscription service delivered via Internet, satellite or 4G/5G. (Image: Septentrio)

Septentrio demystifies GNSS corrections

April 27, 2020

This insight column from Septentrio explains the role of GNSS corrections in precise positioning. It explores the three […]


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This article is tagged with , , , , , , , , and posted in Latest News, Survey