Both are end-fed half-waves with a quarter-wave matching stub. Dimensions are lettered A to F to match the diagram below, so the numbers drop straight onto your drawing.
Every dimension, lettered to match the diagram.
Both are end-fed half-waves with a quarter-wave matching stub built in — great, cheap VHF/UHF antennas.
Keep the antenna clear of metal (masts, gutters) — nearby conductors detune it. The gap and the matching section are precise; cut carefully.
