Including Tokyo Rose . Fidelity is not great, the U.S. technology was limited to wire recorders and disc recorders. Of course the Germans had invented magnetic tape recorders and used them during WW2 , the high fidelity recordings broadcast from German stations amazed the allies but the secret of how they did it wasn't revealed until after the D-Day invasion ! Some info:
https://en.wikipedia.org/wiki/Magnetophon
https://unwritten-record.blogs.archi...onal-archives/
Radio Broadcasts Relating to Tokyo Rose, 1944–1945
https://catalog.archives.gov/id/1991161
1000 year Reich. This sounds like a studio recording rather than a recording of a short wave broadcast.
https://catalog.archives.gov/id/178209446