GNSS

GPS/GLONASS Dispute: CEO Clarifies Misunderstandings

May 23, 2014By
LD-Javad

“Use any opportunity to create friendship and peace,” urged Javad Ashjaee, president and CEO of JAVAD GNSS, in a May 23 conversation with journalists. He decried the recent controversy about monitoring stations on both U.S. and Russian soil, saying it was based in misinformation and misinterpretations, inflated by a political crisis in a completely different area. “This [GNSS] is a... read more

GPS IIF-6 Launch Tracked by GPS, Not Radar

May 19, 2014By

Friday’s launch of a Delta 4 rocket carrying the latest GPS satellite was tracked via GPS itself instead of by radar, reports Spaceflight Now in an article. United Launch Alliance’s Atlas and Delta rockets are transitioning to GPS metric tracking for range safety functions, which protect the public and property should a launch vehicle veer off course. The move is a... read more

GPS IIF-6 Launched into Orbit Following Weather Delay

May 17, 2014By
Photo credit: United Launch Alliance.

The sixth GPS Block IIF satellite was successfully launched Friday at 8:03 p.m. local time. Built by Boeing Space and Intelligence Systems of El Segundo, California, GPS IIF-6 launched aboard a United Launch Alliance Delta 4 rocket from Cape Canaveral Air Force Station in Florida. The launch was originally planned for Thursday evening, but bad weather led to a 24-hour... read more

Russian Proton-M Crashes, Loses Another Payload

May 16, 2014By

In 2013, Russia lost three GLONASS satellites when their launch aboard a Proton-M rocket went awry, sending the satellites crashing into the Baikonur Cosmodrome in Kazakhstan instead of aloft into space. Before that, in 2010, three other GLONASS satellites ended up in the Pacific Ocean aboard a Proton-M rocket. This week, on  May 15, another Proton-M satellite crashed, this time with... read more

This article is tagged with , and posted in GLONASS, GNSS News, Latest News

CGSIC Issues Notice on Problem with Certain GPS Devices

May 16, 2014By

Flawed processing of GPS satellite data in some GPS receiver chipsets has caused concern, but the problem is not with the GPS constellation itself. “SVN 64 broadcasts a data message that clearly indicates SVN 64 is unusable for navigation. Nevertheless, the U.S. government has confirmed that certain GPS receivers are using data from SVN 64, in violation of GPS interface... read more

This article is tagged with and posted in GNSS News, GPS Modernization, Latest News, Mobile Devices, OEM News, Survey

Disruption in Australia Traced to User Equipment

May 14, 2014By

User equipment incorrectly interpreting data from a satellite set “unhealthy” led to an apparent constellation outage for roughly 1,000 fleet vehicles across Australia in April. The problem was traced to the way a GPS/telecomm chip reacted to an extended navigation test aboard SVN-49, having to do with the recently launched IIF satellite, SVN-64. Although SVN-49 was set unhealthy at the... read more

GPS IIF-6 Launch Delayed until Friday Night

May 14, 2014By

Update: The launch of the GPS IIF-6 satellite has been delayed one day due to bad weather. Another GPS IIF satellite is expected to lift off aboard a United Launch Alliance Delta 4 rocket from Cape Canaveral at 8:08 p.m. EDT May 15 at the opening of an 18-minute launch window. The satellite, designated GPS IIF-6 and built by Boeing,... read more

Next Galileo Satellites Arrive in French Guiana

May 12, 2014By
Galileo_satellites_unloaded-O

The first two Galileo Full Operational Capability (FOC) satellites arrived safely at a clean room in Kourou, French Guiana, at 20:00 on Wednesday, May 7, in preparation for launch this summer. Named “Doresa” and “Milena,” the two Galileo FOC satellites arrived at the Félix Éboué international airport in French Guiana at 02:00 local time. They spent the day in an... read more