Radar for rovers on future Mars trips?

From Calgary, Alberta, at the Earth Systems Processes 2 meeting of the Geological Society of America and the Geological Association of Canada

Scientists are developing ground-penetrating-radar equipment that could serve as geologists’ helpers on future Mars-roving vehicles.

The antenna that transmits the ground-probing signals for such a system could be built into a 50-centimeter-square patch on the rover’s undercarriage, says Kevin K.