Featured Stories

GLONASS Loses Control Again

April 16, 2014By
glonass_problem

The GLONASS constellation has suffered a major problem for the second time this month. On Monday, April 14, eight GLONASS satellites were simultaneously set unhealthy for about half an hour, meaning that most GLONASS or multi-constellation receivers would have ignored those satellites in positioning computations. In addition, one other satellite in the fleet was out of commission undergoing maintenance. This... read more

Protect, Toughen, Augment: Words to the Wise from GPS Founder

April 15, 2014By
ParkinsonBrad_O

“What can we do to reduce the vulnerability [of GPS] and ensure that the expectations of the public are going to be met?” asked Dr. Bradford Parkinson as he opened his presentation this morning (Tuesday, April 15) at the European Navigation Conference, ENC-GNSS 2014 in Rotterdam, The Netherlands. Parkinson went through his 61-slide, 50-minute briefing on what he called “PTA”... read more

Locata Warns: Lessons to Be Learned from GLONASS Spasm

April 15, 2014By
Locata-O

Calling it an “unprecedented and deeply worrying total disruption . . . [that] shook the industry,” Locata Corporation reiterated its call for redundant terrestrial systems to back up GNSS in the wake of the April 1 11-hour GLONASS system outage. Nunzio Gambale, Locata CEO, said “We have been telling the industry for years that you cannot have a critically important... read more

SkyTraq Launches Miniature Programmable GNSS Receiver Module

April 11, 2014By
Skytraq_SiP-O

SkyTraq‘s new family of high-performance system-in-package (SiP) GNSS receiver modules supports GPS, GLONASS, Beidou, QZSS and SBAS.The modules integrate SkyTraq Venus8 positioning engine, 1MByte Flash memory, LNA, SAW filter, high precision 0.5ppm TCXO, RTC crystal, and other passive components within tiny 10mm x 10mm x 1.3mm package. The smallest configuration requires only antenna and power to have position fix and... read more

NovAtel Adds Commercially Exportable IMU-KVH1750 to SPAN GNSS Line

April 9, 2014By
KVH1750-O

NovAtel, Inc., has added the IMU-KVH1750 as an inertial measurement unit (IMU) option in its SPAN GNSS/INS line of positioning products. The IMU-KVH1750 is a high-performance commercial off-the-shelf (COTS) sensor that offers excellent bias stability and repeatability, NovAtel said. It incorporates KVH’s DSP-1750 precision fibre-optic gyro with very low noise MEMS accelerometers. Commercially exportable, the IMU-KVH1750 integrates easily with NovAtel’s... read more

Second of Seven Satellites for IRNSS Launched

April 4, 2014By
IRNSS-B-O2

India’s Indian Space Research Organisation (ISRO) launched its second navigation satellite today, April 4, at 11:44 UTC. A Polar Satellite Launch Vehicle (PSLV) rocket launched the IRNSS-1B spacecraft in a mission originating from the Satish Dhawan Space Centre. Liftoff was on schedule. IRNSS-1B is the second of seven satellites that comprise the first-generation Indian Regional Navigation Satellite System (IRNSS). IRNSS-1B... read more

Broadcom Enables Pinpoint Indoor Location Technology with 5G Wi-Fi SoC

April 3, 2014By
Broadcom-5G-O

Broadcom Corporation has announced the industry’s first 5G Wi-Fi (802.11ac) system-on-chip (SoC) to deliver pinpoint indoor positioning technology. The BCM43462 SoC, featuring Broadcom’s new AccuLocate technology, provides sub-meter accuracy on physical locations enabling retailers and public venue operators to deliver more personalized experiences to consumers. Broadcom will demonstrate its AccuLocate technology at Interop, Las Vegas, April 1 – 3, 2014,... read more

This article is tagged with , , and posted in Featured Stories, Indoor Positioning, Latest News, LBS/Wireless News

How to Survive a Total Constellation Outage

April 3, 2014By
Broadcom-O3

Yesterday we posted news of an 11-hour downtime for the full GLONASS constellation, due to an upload of bad ephemerides. Coincidentally, during that 11-hour period, the mass-market chip company Broadcom was conducting multi-constellation receiver tests in Asia. Frank van Diggelen, Broadcom’s chief GNSS scientist and vice president says, “We have definitive data to show how a multi-constellation receiver survives such... read more