TAG: BeiDou

How to Survive a Total Constellation Outage

April 3, 2014By

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

A Glowing Report Doth Not a Golden Future Make

November 27, 2013By

The tech press and broad public media have both made much ado about a November market report from the European GNSS Agency (GSA). Most accounts have focused on a GSA prediction of an installed base of 7 billion GNSS-enabled devices worldwide by 2022, and nearly every account has replicated the GSA math to trumpet “almost one for every person on... read more