At the June 11, 2022 TARA Club Meeting, Hal (KG5LVG) did a presentation on how to construct and use a Direction Finding Beam Antenna made using an old Tape Measure.

Here is a link describing the project: http://theleggios.net/wb2hol/projects/rdf/tape_bm.htm

You may download this information in PDF form here: https://n7tar.org/wp-content/uploads/2022/06/tape_bm.pdf

:And here is a YouTube Video.