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UUUU A RADIO PICTURE UUUU_20WPM 900Hz 90%
0:00
14s
schedule
13.8s
Duration
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description Description
Copy Morse code 'UUU A RADIO PICTURE UUUU' from RKO movie trailer 1929. I guess trailer use 20 word/minute, 900 Hz. If any person know why use repeat 'U' before and after message, please tell.
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Royalty-Free License
This sound is free to use in personal and commercial projects. No attribution required.
info Details
- Category
- Other
- Format
- MP3
- Sample Rate
- 48000 Hz
- Added
- Nov 13, 2025
- ID
- #79555
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