# Council Regulation (EC) No 428/2009 of 5 May 2009 setting up a Community regime for the control of exports, transfer, brokering and transit of dual-use items (Recast), Division [7A006]: Airborne altimeters operating at frequencies other than 4,2 to 4,4 GHz inclusive and having any of the following:


NB:
SEE ALSO 7A106.
a..‘Power management’; or
b..Using phase shift key modulation.
Technical Note:
For the purposes of 7A006.a., ‘power management’ is changing the transmitted power of the altimeter signal so that received power at the "aircraft" altitude is always at the minimum necessary to determine the altitude.

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Source: https://www.legislation.gov.uk/eur/2009/428/annex/I/division/9/division/1/division/7A006 (the official version)
Page: https://openlegislation.uk/eu-regulation-2009-428/annex-I/division-9/division-1/division-7A006
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.