Laurence Doering wrote:

On Mon, 19 Jul 2004 15:20:40 +0200, Nele VII
wrote:
snip

What method are you going to use-noise or deceptive jamming? Read the
history of updates of "AN-ALQ" devices-or just one! Noise? In that case,
you are a flashbulb, and you will be attacked with alternate weapon on
jamming station. The band is narrow AFAIK, so if your opponent knows what
to "listen", you're toast.

[...]

Deception jamming might be possible if you have a civilian receiver,
but you'd need to crack the encrypted signal to spoof a military
receiver.

Probably the best (cheap) method would be noise with digital transmissions
(as per psuedo random code no need to crack the encryption) on the correct
frequencies. 1W dosn't sound much but with the low recieved power of the
GPS signal it dosn't take much to overwhelm or confuse it.

The cellphone industry has ensured VERY low cost components eg power output
transistors/amplifiers for a few cents. No need for elaborate environmental
enclosures just attach balloon and battery stick a ziplok bag over the
electronics and release. To avoid ECCM attacks change location immeadiately
to another school, hospital etc although a vehicle outside the Chinese
embassy for a release point is a possible.

The cost of hitting the balloons once they are released makes them a rather
assymetric weapon.

--

regards

jc

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