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Sci-Tech Dictionary:

A band

(′ā band)

(histology) The region between two adjacent I bands in a sarcomere; characterized by partial overlapping of actin and myosin filaments.

 
 
Medical Dictionary: A band

n.

Any of various dark-staining anisotropic cross striations in the myofibrils of muscle fibers.

 
Wikipedia: A band

This is article is about the wireless term. For other uses see A band (disambiguation).


ITU Radio Band Numbers

4 5 6 7 8 9 10 11 12
ITU Radio Band Symbols

VLF LF MF HF VHF UHF SHF EHF
NATO Radio bands

A B C D E F G H I J K L M
IEEE Radar bands

HF VHF UHF L S C X Ku K Ka V W

The A band is the range of radio frequencies up to 0.25 GHz in the electromagnetic spectrum. This is equal to wave lengths greater than 1.2 m.


Radio spectrum
ELF SLF ULF VLF LF MF HF VHF UHF SHF EHF
3 Hz 30 Hz 300 Hz 3 kHz 30 kHz 300 kHz 3 MHz 30 MHz 300 MHz 3 GHz 30 GHz
30 Hz 300 Hz 3 kHz 30 kHz 300 kHz 3 MHz 30 MHz 300 MHz 3 GHz 30 GHz 300 GHz


The Electromagnetic Spectrum
(Sorted by wavelength, short to long)
Gamma ray • X-ray • Ultraviolet • Visible spectrum • Infrared • Terahertz radiation • Microwave • Radio waves
Visible (optical) spectrum Violet • Blue • Green • Yellow • Orange • Red
Microwave spectrum W band • V band • Ka band • K band • Ku band • X band • C band • S band • L band
Radio spectrum EHF • SHF • UHF • VHF • HF • MF • LF • VLF • ULF • SLF • ELF
Wavelength designations Microwave • Shortwave • Mediumwave • Longwave

This entry is from Wikipedia, the leading user-contributed encyclopedia. It may not have been reviewed by professional editors (see full disclaimer)

 
 

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Sci-Tech Dictionary. McGraw-Hill Dictionary of Scientific and Technical Terms. Copyright © 2003, 1994, 1989, 1984, 1978, 1976, 1974 by McGraw-Hill Companies, Inc. All rights reserved.  Read more
Medical Dictionary. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company.  Read more
Wikipedia. This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "A band".  Read more

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