The VOR puck antenna on the top of the tail was fitted with a long coax lead, and today I cut off about three feet of excess and fitted a new male BNC connector to it. Then I cut off the excess from the RG-400 coax running through the fuselage and crimped on a female connector. Once the union was made, I heat-shrinked the connection.
I will have to secure the leads a bit (along with the video camera lead nearby). Not sure how I'll do that, but I'll figure it out later.