This article is included in these additional categories:

Britain/U.K. | Events | New Systems Tech | Other Corporation | Satellites & Sensors

TopSat Update: Transmitting

For more on this and other stories, please consider purchasing a membership.
If you are already a subscriber, login to your account.
TopSat Image(click to view full) Britain’s TopSat micro-satellite and accompanying ground systems are part of a broader satellite R&D effort called MOSAIC. The satellite can deliver real time data and is engineered to provide 2.8 meter black & white/ 5 meter color resolution images at a much reduced cost compared to larger satellites. The programme has been jointly funded by the British National Space Centre (BNSC) and the UK Ministry of Defence at a mission cost below GBP 14 million. The first high resolution images of the Earth transmitted by TopSat were received December 19, 2005 at QinetiQ’s West Freugh ground station. Regarding the image that accompanies this update… QinetiQ’s release notes that the satellite image was acquired at 10:03am on Wednesday December 7, 2005. In the exapanded image, the morning traffic is clearly visible on the Queen Elizabeth II Bridge at the Dartford Crossing, UK. The image shows Thurrock and the Lakeside shopping centre in Essex to the north, and Greenhithe and the Bluewater shopping centre in Kent to the south. Ships are visible underway from the Thames estuary and alongside at the Tilbury docks to the east. TopSat imagery at nadir has a nominal 2.8m resolution in black […]

One Source: Hundreds of programs; Thousands of links, photos, and analyses

DII brings a complete collection of articles with original reporting and research, and expert analyses of events to your desktop – no need for multiple modules, or complex subscriptions. All supporting documents, links, & appendices accompany each article.


  • Save time
  • Eliminate your blind spots
  • Get the big picture, quickly
  • Keep up with the important facts
  • Stay on top of your projects or your competitors


  • Coverage of procurement and doctrine issues
  • Timeline of past and future program events
  • Comprehensive links to other useful resources