Very Low Frequency (VLF) refers to the frequency band from 3 kHz to 30 kHz.
Here is a list of notable VLF frequencies and their common uses:
VLF Frequencies and Uses
- 8.27 kHz: Submarine communications (naval).
- 9.00 kHz: Standard frequency and time signal transmission.
- 16.4 kHz: SAQ transmitter in Grimeton, Sweden, for maritime navigation and communication.
- 18.1 kHz: Submarine communications (naval).
- 19.6 kHz: Submarine communications (naval).
- 21.4 kHz: Submarine communications (naval).
- 22.2 kHz: Submarine communications (naval).
- 24.0 kHz: Submarine communications (naval).
- 25.2 kHz: Submarine communications (naval).
- 26.1 kHz: Submarine communications (naval).
- 27.0 kHz: Submarine communications (naval).
- 28.5 kHz: Submarine communications (naval).
Key Points
- Time Signal Stations: VLF is used for transmitting accurate time signals for synchronization purposes.
- Submarine Communications: Due to its ability to penetrate seawater to some depth, VLF is widely used for communication with submarines.
- Maritime Navigation: Certain VLF frequencies are used for maritime navigation signals.
Sources
- National Institute of Standards and Technology (NIST): Provides detailed information about standard time and frequency stations.
- International Telecommunication Union (ITU): Offers regulations and frequency allocations for various services, including maritime and aviation uses.
For more detailed information and specific frequencies: