I meant the mast slot Aframe to be in addition to the stanchion Aframe. I'll look up the Telstar info for ideas.
Do you have a PVC conduit going up the outside of your mast? For wiring I presume. Nice idea, easy access. I hope you added another 1000# of ballast for all that stuff up there :-)
Rehoboth Bay/Indian River, DE
S/Y KJ, Helms 25