Abstract: We propose a directive antenna for borehole radar using a horizontally polarized wave in a vertical borehole. This antenna is an array of several horizontal loop antennas, arranged ...

The IndyCar Series is racing for the third straight weekend, this time at new street course around AT&T Stadium: Qualifying, race start time, how to watch.

The first of three new street courses in IndyCar brings an event that can become a staple race for years to come on the calendar.

Abstract: During the last years, coreless current sensors based on circular arrays of magnetic field sensors have been investigated. These sensors were limited in bandwidth and accuracy by the ...