[time-nuts] Light Squared, etc.

[J. Forster]

Spy satellites either image in the optical, listen in to RF, or use RADAR.
Only the RADAR satellites require high power. Sensors, even if
cryogenically cooled, are relatively low power.

-John

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[snip}
> Regarding nuclear powered
> satellites, I suspect that spy satellites are nuclear powered but since
> they
> are classified, who knows. Perhaps future GPS satellites with higher
> powered
> transmitters could be nuclear powered and classified. [snip]