GPS cable and magnetic interference

Bison52

Member
Photronics just posted an interesting video in Hoverfly forum demonstrating the degree of mag interference which could affect magnetometers in GPS units. That led me to wonder; I can mount the GPS unit as far as possible from suspected mag sources but the cable is very long and I always seem to have to route it near some power wire or something that might prove problematic.

Does anybody know how susceptible the GPS cable is to magnetic interference?
 

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