Disclosed is an apparatus for generating a ranging pseudo noise code used in a base station of a portable internet system of an orthogonal frequency division multiplexing access scheme, wherein a ranging pseudo noise mask value is generated using a cell ID number, and then the generated ranging pseudo noise mask value is stored in a memory. At least one induction unit is provided including a plurality of tandem conveying units. The carrying disk has a plurality of posts arranged in a plurality of radial rows on the coin-carrying surface thereof. A dilution tunnel mixes and conveys the exhaust gas and dilution gas from the mixer to analysis equipment such as a filter or gas analyzers. Optional spacer inserts may be used to set the positioning of a buoy on the stick. The handheld exercise and amusement device includes a handle adapted to be gripped by a user and at least two weights which are at least one of freely rotatably mounted and freely orbitally mounted about an axis running through the handle.