An antenna for a vehicle is provided which includes a first printed circuit board coupled to an upper part of the base, in which at least one ground feeding point is formed and a second printed circuit board coupled to the first printed circuit board in a vertical direction on the upper part of the first printed circuit board. In one embodiment, a pivot assembly is provided to allow a treadmill deck to deflect during use. The selected one of the plurality of rulesets may then be used to select N ways in that cache that are available for replacement. The fuselage portion of the leading edge may be rotated around an axis near the nose of the aircraft. Each row’s count vector is determined in two stages. Moreover, absent re-contamination of the textiles after the cleaning process, drying and finishing procedures may be accomplished without further sanitizing the textiles.