HF

Hf

(chemistry)

hafnium

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HF

(communications)

high frequency

McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

HF

On drawings, abbr. for “hot finished.”

McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.

HF

(High Frequency) A range of radio frequencies from 3 to 30 MHz. The HF band is used for amateur radio, marine, aviation and military communications and high-frequency RFID tags.

With regard to audio, high-frequency waves are typically above 3,000 Hz. See frequency bands.

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