QZS-R1 is prepped for testing. At left is the Earth-oriented surface that hosts the L-band antenna. (Photo: JAXA)

First transmission of L1C/B by QZS-1R

March 8, 2022

By Peter Steigenberger, Steffen Thoelert, Sergei Yudanov and Markus Ramatschi The Japanese QZS-1R satellite was launched on Oct. […]

Read More

This article is tagged with DLR, German Aerospace Center, Japan, Japanese Quasi-Zenith Satellite System, QZS-1R, QZSS, QZSS constellation, signal analysis and posted in From the Magazine, GNSS

Photo: payamona / iStock / Getty Images Plus / Getty Images

GNSS + sensors have transformed surveying

February 23, 2022

The tight integration of GNSS, inertial systems, lidar sensors and 360° spherical imagery into mobile mapping systems makes 3D modeling possible and traditional GNSS or optical measurement instruments obsolete.

Read More

This article is tagged with AEC, GNSS sensors, GPS threat, inertial system, Jet Propulsion Laboratory, L1C/B signals, lidar sensors, NMEA, QZSS, surveying and posted in From the Magazine, Opinions, Survey

ION opens registration for Pacific PNT Conference

February 22, 2022

ION’s Pacific PNT Conference is a global cooperative development that will be hosted virtually April 11-13 PDT on a complimentary basis for ION members.

Read More

This article is tagged with Asia, BeiDou, COSMIC, FORMOSAT, ION, Pacific PNT Conference, PNT, QZSS, virtual conference and posted in Events

A H-2A rocket launches from Tanegashima Space Center carrying the QZS 1R satellite. (Photo: MHI)

Japan successfully launches first QZSS replacement, QZS-1R

October 26, 2021

A successor to the first Quasi-Zenith Satellite System (QZSS) satellite, QZS-1R, was launched at 11:19 a.m. Japan Standard […]

Read More

This article is tagged with H-IIA rocket, Japan Aerospace Exploration Agency, Mitsubishi Heavy Industries, Quasi-Zenith Satellite System, QZS-1, QZS-1R, QZSS and posted in Featured Stories, GNSS, Latest News

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)

QZSS successor satellite set to launch Tuesday

October 20, 2021

UPDATE: Because of bad weather, the launch is now scheduled for Oct. 26 (Oct. 25, 18:45 p.m. PT). […]

Read More

This article is tagged with JAXA, Mitsubishi Heavy Industries, QZS-1R, QZSS, satellite launch, Shinichi Nakasuka and posted in Featured Stories, GNSS, Latest News

Matteo Luccio

GNSS constellations create four strong winds

October 1, 2021

First, there was one. In July 1995, the U.S. Air Force declared the Global Positioning System had met […]

Read More

This article is tagged with BeiDou, First Fix, Galileo, GLONASS, GNSS constellations, IRNSS, NAVIC, Navstar, QZSS, satellite constellations, satnav and posted in GNSS, Opinions

Replacement for Michibiki: The L-band antenna that transmits the positioning signal is mounted on the Earth-oriented left side. (Photo: JAXA)

Japan’s QZSS constellation to receive replacement satellite

July 20, 2021

The successor to the first quasi-zenith satellite, dubbed Michibiki, is expected to launch this year. Michibiki was launched […]

Read More

This article is tagged with Japan, Japanese Quasi-Zenith Satellite System, JAXA, Michibiki QZSS satellite, QZSS, satellite launch, satellite testing and posted in Featured Stories, GNSS, Latest News

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) […]

Read More

This article is tagged with centimeter-level, Galileo HAS, IS-QZSS-L6-003, Japan, PPP-RTK, QZS-3, QZSS, satellite-based augmentation system, SBAS and posted in GNSS, Latest News