H band may refer to: *

H band (infrared) In infrared astronomy, the H band refers to an atmospheric transmission window centred on 1.65 micrometres with a Full width at half maximum of 0.35 micrometresIan McClean, Electronic Imaging in Astronomy, Second Edition, Springer, 2008. (in the n ...

, an atmospheric transmission window centred on 1.65 μm *

H band (NATO) The NATO H band is the obsolete designation given to the radio frequencies from 6 000 to 8 000 MHz (equivalent to wavelengths between 5 and 3.75 cm) during the cold war period. Since 1992 frequency allocations, allotment and assignments are ...

, a radio frequency band from 6 to 8 GHz * H band, part of the

sarcomere A sarcomere (Greek σάρξ ''sarx'' "flesh", μέρος ''meros'' "part") is the smallest functional unit of striated muscle tissue. It is the repeating unit between two Z-lines. Skeletal muscles are composed of tubular muscle cells (called musc ...

See also