Sorry about the delay in my responce. Thank you very much for putting some ideas out there for my antenna situation. Antennas seem to be the almost an art instead of a science. There are volumes to read about.
Here's the story. My attic is a pretty new design full of blown in insulation. The rafters are placed in such a way as to provide a very stable roof but very little crawl space.
It is possible to mount an Indiana Jones style mission and place a single wire from west to east and it would be about 20 ft. off the ground. But I think it would be about 30 ft in length.
There is a tree to the side of the house that goes up well over 150 ft. I was thinking of running half dipole verticle up there. But I think I would need a tuner to get more bands out of the radio.
Im afraid I don't know much about the j-poles.
About 15 years ago I lived in a house that had a gigantic attic that was perfect for a large scale antenna. I bet we could have put in a multi-element yagi in it.