[Milsurplus] 1 mo Eb*y / BC-645 aka ABA
antqradio at juno.com
antqradio at juno.com
Mon Oct 25 09:31:56 EDT 2004
I am under the impression that the British didn't want the Mark IV for
the same reason they didn't want the B-29. What they had was good enough
and the infrastructure to install, retune and maintain was already in
place. No need to retrain on newer equipment when the older was still
serviceable?
Jim
On Sun, 24 Oct 2004 23:54:55 -0400 (EDT) William Donzelli
<aw288 at osfn.org> writes:
> I think the adoption of Mk III IFF was really a poor choice. It was
quite
> a kludge, and on top of that, not very secure.
>
> The official reason for the non-use of the Mk IV system was that its
> operation was too close to the German Wurzburg radars operating
> frequency. This it was - with some modifications, a Wurzburg probably
> could pick up Mk IV pulses (I don't know if this was ever done).
>
> Mk III IFF, however, turned out to be close to the operating frequency
of
> the Freya radars. Too close, it seems. Freyas were modified so they
could
> pick up Mk III pulses, and the system was comprimised without the
Allies
> knowledge.
>
> William Donzelli
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