lf
Definition
- Noun:
- Low frequency: "lf" is an abbreviation for "low frequency," specifically referring to radio frequencies in the range of 30 to 300 kilohertz.
Usage
- The term "lf" is primarily used as a technical abbreviation in the fields of telecommunications, radio broadcasting, and engineering. It is a standard designation within the radio spectrum.
Examples of Usage
- Noun:
- The submarine communication system operates on the lf band.
- Long-range navigation signals are often transmitted using lf waves.
Advanced Usage
- "lf band": refers to the specific range of low-frequency radio waves.
- The lf band is known for its ability to propagate over long distances and penetrate water and soil.
Variants and Related Words
- Low frequency (LF): The full term for which "lf" is the abbreviation.
- Very low frequency (VLF): The frequency band below LF (3 to 30 kHz).
- Medium frequency (MF): The frequency band above LF (300 kHz to 3 MHz).
Synonyms
- Low-frequency band: A descriptive synonym for the "lf" range.
Related Phrases
- "lf radio": radio equipment or communication using low frequencies.
- The lighthouse uses an lf radio beacon for navigation.
- "lf spectrum": the portion of the electromagnetic spectrum occupied by low frequencies.
- Regulations govern the use of the lf spectrum for various services.
Noun
-
30 to 300 kilohertz
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