For spectrum analyzers lacking a tracking generator, this broadband RF noise source is affordable and will help measure a ...

Light aircraft often use a heading indicator as a way to know where they’re going. Retired instrumentation engineer [Don Welch] recreated a heading indicator of his own, using cheap ...

The FBI has reduced staffing in its Domestic Terrorism Operations Section and ended the use of a tagging system used to track such cases, raising concerns that investigations into white supremacists ...

Yeckel] recently put the finishing touches on an ambitious implementation of a simple D-STAR (Digital Smart Technologies for Amateur Radio) transceiver using some very accessible and affordable ...

Botanical sensors are turning greenery into living data networks while monitoring plant health and optimizing yields.