Andy Jackson G8JAC wrote:
Dan wrote:
..>It is an interestingly designed unit; despite the millions of possible
..>settings of the internal links etc., a unit I have that had been used by
..>the Iraqi army Republican Guard had strange modifications inside,
..>presumably because they were worried that the manufacturer might have
..>done something sneaky that would make it easier to decrypt.
..>Pure paranoia.
But wasn't that exactly what happened during the first Iraq war?
It is widely believed that Racal co-operated with the British army to
decrypt Iraqi transmissions made with the Jaguar radio system that Racal
sold them.
Andy G8JAC
Andy, I've no idea. Just because you are paranoid doesn't mean they aren't listening :^) However I would think that a frequency hopping radio is slightly easier to crack than the system used by the 4224, but perhaps not, I'm absolutely not an expert. In the case of this 4224 someone had gone to a lot of trouble, including fitting a new eprom, and some board re-wiring with some extra circuitry. Not the usual level of 'skilled' work seen inside their 'surplus' equipment that I have seen, which is of the order of fitting a nail instead of a fuse, and replacing a capacitor by placing a big blob of solder over both wires.
Dan
Dan
