Quantcast

Satellite constellation Reference Libraries

Page 1 of about 1 Articles
Iridium satellite
2004-10-19 04:45:44

Iridium Satellite -- The Iridium satellite constellation is also a system of 66 active communication satellites and spares around the earth. Named for the element Iridium, it was originally to have 77 active satellites, but was later redesigned to have its current number, though the name was retained. Iridium allowed worldwide voice and data communications using handheld devices. The...

Word of the Day
pawl
  • A pivoted catch designed to fall into a notch on a ratchet wheel so as to allow movement in only one direction (e.g. on a windlass or in a clock mechanism), or alternatively to move the wheel in one direction.
The word 'pawl' probably comes from a Latin word meaning 'stake'.
Related