Re: [FT]Flashes was: A couple of quick replies

>Absender: derk@cistron.nl
> On the other hand, such extremely high powered pulses are just about
> impossible not to detect. 

If I understood the proposal correctly, these would be 'flare 
grenades', fired some distance from the ship. This makes it difficult to
detect 
the launching ship unless it, too, is illuminated by the flash. You
would 
need directional flashes.

> Also, there's a lot you cannot measure this way,
> which you could measure with a longer, low powered signal, like 
> target speed (doppler shift). 

You don't need really long signals to measure doppler shift, just 
something that has a well-defined spectrum.

Greetings