Stratum 1 NTP Server based on WeMos D1 Mini board (ESP8266 processor) and a u-blox NEO-6M (or better) GPS Module. Note: We need a GPS module which supports ZDA NMEA messages to be enabled. Our NTP ...

GEORGE NEWS -Bacar, short for ‘balloon carrying amateur radio’, is an amateur radio experiment that uses high-altitude ...

There’s an interesting development in amateur ballooning: using so-called superpressure balloons, which float high in the ...

Abstract: Passivity properties are applied in a recently developed least-squares direct multivariable Model Reference Adaptive Control (MRAC) framework to enhance stability analysis and eliminate the ...

Nearly 12 years after Malaysia Airlines flight MH370 disappeared with 239 people on board, the search has returned with a narrower target and sharper tools. Ocean Infinity, the marine robotics company ...