26 Jul
2001
26 Jul
'01
2:39 p.m.
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:decoy@iki.fi, gsm: +358-50-5756111 student/math+cs/helsinki university, http://www.iki.fi/~decoy/front