3C TestNorthamptonshire, GBScope: "...3309:2000 EN13309:2010 2; ISO 11452-3:2016 Transverse Electromagnetic ISO 11452-..."UKAS1certView
ZF Automotive UKWest Midlands, GBScope: "...52-2:2004 20 Hz to 18 GHz ISO 11452-3:1995 ISO 11452-3:2001 14 kHz to 18 GHz 200..."UKAS1certView