Frequency band designations

Frequency band designations

Table
Frequency band designations
frequency designation frequency range wavelength range
very low frequencies (vlf) 3–30 kilohertz 100,000–10,000 m
low frequencies (lf) 30–300 kilohertz 10,000–1,000 m
medium frequencies (mf) 300–3,000 kilohertz 1,000–100 m
high frequencies* (hf) 3–30 megahertz 100–10 m
very high frequencies (vhf) 30–300 megahertz 10–1 m
ultrahigh frequencies (uhf) 300–3,000 megahertz 1 m–10 cm
superhigh frequencies (shf) 3–30 gigahertz 10–1 cm
*Also called shortwaves.
See as table:

* * *


Universalium. 2010.

Игры ⚽ Поможем написать курсовую

Look at other dictionaries:

  • D band — Frequency range 110 – 170 GHz ITU Radio Band Numbers 1 2 3 4 5 6 7 8 9 10 11 …   Wikipedia

  • Microwave — This article is about the electromagnetic wave. For the cooking appliance, see Microwave oven. For other uses, see Microwaves (disambiguation). A microwave telecommunications tower on Wrights Hill in Wellington, New Zealand Microwaves, a subset… …   Wikipedia

  • radio — /ray dee oh /, n., pl. radios, adj., v., radioed, radioing. n. 1. wireless telegraphy or telephony: speeches broadcast by radio. 2. an apparatus for receiving or transmitting radio broadcasts. 3. a message transmitted by radio. adj. 4. pertaining …   Universalium

  • Coaxial cable — RG 59 flexible coaxial cable composed of: A: outer plastic sheath B: woven copper shield C: inner dielectric insulator D: copper core Coaxial cable, or coax, has an inner conductor surrounded by a flexible, tubular insulating layer, surrounded by …   Wikipedia

  • Spectral line — Continuous spectrum Emission line …   Wikipedia

  • Contesting controversies — Main article on the sport of Amateur Radio Contesting Like most other sports, amateur radio contesting has its share of disputes and controversy. These disputes are long standing and may see no thorough resolution for a long time. They are… …   Wikipedia

  • Linesman/Mediator — Linesman was the name given to the plan for the revamp of the air defence of the UK, this was originally conceived as part of the Ahead plan. As with any major plan it was subject to much review both prior to and post implementation; plans were… …   Wikipedia

  • S-300 (missile) — Not to be confused with S 300VM. SA 10 redirects here. For the channel interface for the PDP 10 computer, see Systems Concepts. Grumble redirects here. For other uses, see Grumble (disambiguation). For the Project Apollo test mission, see A 105… …   Wikipedia

  • Neptune — This article is about the planet. For other uses, see Neptune (disambiguation). Neptune   …   Wikipedia

  • colour — /kul euhr/, n., adj. v.t., v.i. Chiefly Brit. color. Usage. See or1. * * * I Aspect of any object that may be described in terms of hue, brightness, and saturation. It is associated with the visible wavelengths of electromagnetic radiation, which …   Universalium

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”