The antenna of claim 3 wherein said substrate has a thickness of about 0.03 inch, said first half-loop has a transverse dimension on the order of about 0.68 inch and a length of approximately 20.2 inches measured along its centerline and the overlap aforesaid in its length has an area of about 0.319 square inch to thereby tune said first half-loop to a frequency of about 108 to 118 megahertz, and said second half-loop has a transverse dimension on the order of about 0.30 inch and a length of approximately 6.6 inches measured along its centerline and the overlap aforesaid in its length has an area of about 0.0102 square inch to thereby tune said second half-loop to a frequency of about 327 to 335 megahertz.ĥ. The antenna of claim 2 including a substrate of dielectric material and wherein said first and second half-loops and said shunt feed line are disposed on one surface thereof, said conductors are each disposed on the opposite surface thereof, and each said capacitor is formed by an overlap in the length of each half-loop and each said conductor.Ĥ. The antenna of claim 1 wherein one outside edge of said second half-loop is generally tangent to said centerline and said shunt feed line is located between the other outside edge of said second half-loop and the adjacent first half loop end portion.ģ. A combination glideslope/localizer antenna for aircraft comprising:Ģ.

Localizer antenna location on aircraft