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Non-Directional-Beacon

a radio transmitter
in the 225 to 500 kHz range

see ADF
A pilot uses the ADF to home in on NDB signals.
by Dulles VOR October 25, 2003
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anne "why the fuck did you get the same dress as me?!"

julie "WTF! i got it first!!"

katie "NDB!!!" "NO DRAMA BRAHS"
by lolpg93 January 17, 2011
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Acronym for "nunya damn business". For use in a conversation with a nosey individual.
"hey girl, who's that dude you went out with last night?"
Ummm, ndb.
"Well, excuse me for asking..."
np (=
by Shanzimigator December 01, 2011
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