Daily Express, January 5, 2018
Two errors conveniently packaged in one word. An antenna can be an insect’s feeler, when the plural is antennae, or part of a radio receiver, when the plural is antennas. Here this is a metaphor for a radio receiver, but the writer has chosen the insect one, and mixed up singular and plural into the bargain. It should be ‘a uniquely well-tuned political antenna’; I shouldn’t think you need more than one for political purposes.