IIRC, it was the movie about John Walker that showed a radio room full of Navy radiomen with their headphones plugged into HP 608 signal generators…..

On Mon, Nov 6, 2023 at 12:41 PM Facility 406 <facility_406@bruteforcedevelopment.com> wrote:
> to survive.  I found the radio equipment just as accurate as the
> equipment on -Andy Griffith Show- using an Eico transmitter for
> the sheriff's office, hi.

At least it was a transmitter.

In the TV show Wings, a hallicrafters SW receiver with a lollipop
microphone plugged into the speaker jack is used to transmit AM VHF to
aircraft.

 Kurt