Bob Miller wrote:
If you simply feed your 80m dipole entirely with 450-ohm ladderline,
and run it through your 989c tuner, it should tune the higher bands,
as well, without any great feedline loss. Check your tuner manual for
feedline lengths to avoid.

Or vary the length of the feedline as shown on my web page and
enjoy all HF bands without the need for a conventional tuner.
--
73, Cecil, http://www.qsl.net/w5dxp