Symmetricom Launches RoHS Compliant GPS Time Servers
October 5, 2012
Symmetricom, Inc., has introduced new RoHS compliant versions of its existing SyncServer S200 and SyncServer S250 GPS Network […]
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Symmetricom, Inc., has introduced new RoHS compliant versions of its existing SyncServer S200 and SyncServer S250 GPS Network […]
Spoofing tests against phasor measurement units demonstrate their vulnerability to attack. A generator trip in an automatic control scheme could be falsely activated by the GPS spoofing, possibly leading to cascading faults and a large-scale power blackout.
Likely none of us needs a reminder as the upcoming leap second has been all over the news outlets for the past few days. But just to provide the details again, read this article. Presumably, all GPS receiver manufacturers have checked to make sure their receivers will handle the leap second properly. However, at least one late-model high-end receiver from a leading manufacturer is currently reporting incorrect advance leap second information in its data files.
The first part of the recent UrsaNav press release says it best: This week for the first time […]
As a result of a Cooperative Research and Development Agreement (CRADA) between the U.S. Coast Guard and UrsaNav, […]
Inside a typical GNSS receiver, the estimate of the error in the local oscillator is formed as a component of the navigation solution, which is in turn based on the output of each satellite-tracking channel propagating its estimate of carrier and code measurements to a common future point. But this method limits the resolution with which the noise of the local oscillator can be quantified. To bypass this shortcoming requires a method of coherently gathering information about the phase change in the local oscillator across all available satellite signals: to use the same samples simultaneously for all satellites in view to estimate the center-point phase error common across the visible constellation. We explore how.
European timing and frequency technology players Orolia and Rapco Electronics Ltd. have formed a strategic partnership for technology development and distribution.
Network managers for financial institutions recognize that GPS provides the fastest, best, and cheapest source for exact time determination.
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