On 20/01/2017 15:34, whisky-dave wrote:
On Friday, 20 January 2017 14:41:19 UTC, Brian Gaff wrote:

Have you also checked to see what interference they can chuck out. some are
terrible, one assumes the dreaded switch mode psu.

Are you saying those ones brought don't conform to EU regulations ?

If you are into short wave radio then some of the dodgier Chinese
imports may lack the suppression capacitors but a properly designed
switched mode PSU has no reason to be electrically noisy.

--
Regards,
Martin Brown