Found a dead short in a King KX 155 using a trick I'd never tried before

Had a Comant CI 107 antenna that was intermittently grounding out on a Cessna 172 last week in Phoenix. Tried all the usual stuff like swapping trays and checking connectors, but none of it worked. Finally a senior tech told me to use a megger on the coax instead of a multimeter, and it showed the fault right away. Anyone else found a weird trick for tracking down antenna shorts?

4 comments

4 Comments

jana76915d ago

Ha! I once spent two hours chasing a phantom short that was just a loose screw in the connector.

lee68915d ago

Yeah, usually the obvious stuff isn't what's actually wrong.

the_robin15d ago

A loose screw doesn't sound like a big deal though. You probably need a new connector anyway.

the_jake2d agoTop Commenter

@jana769, isn't a loose screw technically a simple fix, not a phantom short?