A vectorial network analyzer including n test ports. The flip-chip pads define an area on the surface of the base at least partially bounded by the wire-bondable pads. It is determined whether the size of the original image is a predetermined size. The probe may be part of a vehicle used to detect and neutralize buried explosive devices, with the probe for example being on an articulable arm of the vehicle. The zipper sections are disengaged with the pull cord member.