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S band
The
S band
is part of the
microwave
band
of the
electromagnetic spectrum
. It is defined by an
IEEE
standard for radio waves with frequencies that range from 2 to 4
GHz
, crossing the conventional boundary between
UHF
and
SHF
at 3.0 GHz. The S band is used by
weather radar
, surface ship
radar
, and some
communications satellites
, especially those used by
NASA
to communicate with the
Space Shuttle
and the
International Space Station
. The 10-cm
radar
short-band ranges roughly from 1.55 to 5.2
GHz
.
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