| Information | |
|---|---|
| has gloss | eng: The AN/UPN-1 was a radar Pathfinder marker beacon used by the Army Air Force and Airborne forces during WWII. |
| lexicalization | eng: AN/UPN-1 |
| instance of | (noun) a coding system used for transmitting messages requiring brevity or secrecy code |
| Media | |
|---|---|
| media:img | BUPS antenna.jpg |
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