An antenna includes a support and an electroconductive first antenna
element, e.g., an electroconductive coating, located on the support and
spaced from at least one electroconductive second antenna element. The
first antenna element is connected to a ground through an electronic
filter device, such as an inductor, configured to pass selected
frequencies, e.g., AM frequencies, to the ground to eliminate the selected
frequencies from the signal provided by the first antenna element. The
first antenna element is preferably located between the second antenna
element and a source of electronic noise to shield the second antenna
element from at least a portion of the electronic noise. The second
antenna element receives and provides at least one of the selected
frequencies passed to the ground from the first antenna element.