On Thu, 26 Jul 2001, Ray Dillinger wrote:

>Problem: if each soldier's radio relays messages, it becomes
>relatively easy to create a soldier-seeking bullet.  Just home
>in on the source of that radio noise, and blam.

Hence, LPI. Spread-spectrum, UWB, directed transmissions in the high
microwave bands, and so on. Dunno how useful the latter are for portable
equipment, though, or in the battlefield conditions.

Sampo Syreeni, aka decoy, mailto:[EMAIL PROTECTED], gsm: +358-50-5756111
student/math+cs/helsinki university, http://www.iki.fi/~decoy/front

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