RALCam4 is an optical imager with a target specification of  1 metre resolution at 600km. It will maintain a low mass suitable for small satellites. A structural model has now been built and completed its initial test programme.

Resolution, or Ground Sampling Distance (metres)

1m GSD  Pan , 4m GSD MS

Orbit altitude (km)

600

Swath (km)

20

Focal Length -detector specific (in metres)

6

Size (m x m x m)

Width .83 height .75 x length 1.17 long

Mass (kg)

70 approx

Power (W)

<200 peak power  30 orbit average

Spectral Bands

Pan  TDI CCD, plus (R,G,B & NIR )TDI CCD