Your GPT-750 already has an RF sampler - that SO-239 right next to the antenner jack
Yeah, but I don't trust it not to blast my scope, lol. I should check the output level for the hell of it, but I think I'll wind up making one of the gizmo's Steve listed above.
GX, I love the comment on the New England KW. Look at it like this; the more juice you run when it's cold out, the more heat the gear puts into the room, the less fuel oil you burn. That'll be the excuse I give the judge.