Methods, radios, components thereof, and other devices for localizing a geographic position of a radio receiver are provided. The supply strip includes a backing having first and second opposing surfaces and pieces of material removably arranged on both of the first and second surfaces. The section is a reflecting section with a center angle of 45 to 225 DEG and the two optical elements of one type are emitting elements, emitting a beam of light, where the lines connecting each trace, S) of the beams on the disc to the center of the disc form an angle at the center which is not zero.