DUTCH infrastructure manager ProRail is to replace audio-frequency track circuits with axle-counters on the 48km ETCS Level 1-equipped Rotterdam port line. GAST-NL equipment will replace the Alstom ...

There was a time when for time-and-frequency geeks this would have been a difficult job, but with the advent of GPS satellites overhead carrying super-accurate atomic clocks it’s surprisingly ...

Most people would just buy a frequency counter and be done with it, but [Andy] decided to build his own. The Nanocounter is an accurate, open source frequency counter that uses an Android phone ...