Originally Posted by Don_M

Whatever you decide, I would strongly recommend against using a tree as a permanent antenna mount. (It's OK temporarily, for experimental purposes.) Trees have nasty habits that cut into reception and/or greatly shorten antenna life: They sway in the wind, which is murder on UHF signals in particular; they regularly drop sap, which corrodes the metal and can cause a reception-robbing short circuit; and the delicate aluminum will get mangled if a major branch falls on the antenna or the whole tree falls down.