A metrology geek will go to extreme lengths to ensure that their measurements are the best, their instruments the most accurate, and their calibration spot-on. There was a time when for ...

The global positioning system (GPS) constellation comprises 24 or more satellites in six orbital planes at an altitude of approximately 12,550 miles. Synchronized with on-board atomic clocks, the ...

WASHINGTON — A new congressionally mandated report from the National Academies of Sciences, Engineering, and Medicine assesses the likelihood of harmful interference from Ligado Networks’ authorized ...

Since the dawn of GPS, researchers have worked to improve the accuracy of estimated positioning, navigation and timing (PNT) from the receiver-derived pseudorange, carrier-phase and Doppler ...

I was considering posting this in the Lounge, but I'm actually looking for a scientifically accurate answer here, or at least one from someone who is well-informed. I have two "hockey puck" GPS ...

The problem is that a cell base station would be many orders of magnitude more powerful to a terrestrial observer than a GPS signal. It doesn't take much to raise the noise floor too high to pull in a ...

WASHINGTON - New test results show that a proposed nationwide wireless broadband network would produce significant interference with GPS systems used for everything from aviation to high-precision ...

Offered in a clipped sine-wave output in frequencies of 16.369, 24.5535, and 26.0 MHz, the TV30 TCXO offers a frequency stability vs. temperature of ±0.5 ppm over –30° to 80°C. The TCXO operates at ...