RDF antennas are particularly very easy to spot on World War II aircraft, as loops under the rear section of the fuselage, whereas most US aircraft enclosed the antenna in a small teardrop-shaped fairing.
RDF antennas are particularly very easy to spot on World War II aircraft, as loops under the rear section of the fuselage or above the cockpit. More recent installations enclose the antenna in a small teardrop-shaped fairing.