Recurring GPS Disruptions Near Tacoma, WA & Plymouth, UK

Recurring GPS Disruptions Near Tacoma, WA & Plymouth, UK

Reports of recurring GPS reception problems near Tacoma, WA in the US and the port of Plymouth in the UK have been received by the US Coast Guard Navigation Center, the agency that collates such reports from the public. See reports for 9/27/2018 and 10/2/2018. The...
Space Debris – A Threat to GNSS?

Space Debris – A Threat to GNSS?

Blog Editor’s Note: NASA is rightly concerned about the future of space and keeping it usable. The immediate problem and the focus of much recent attention has been Low Earth Orbit (LEO). GNSS fly about ten thousand miles above LEO in Medium Earth Orbit (MEO),...