Since 2005 my HF antenna is the
300 watt Buckmaster 7-band OCF dipole - which I use on 11 bands. This is a good antenna, the best wire antenna ever!! Very well made and strong enough to last through ice storms, unlike all my HB wire antennas. Put it up and forget it! When a support tree blew down, only the nylon support rope broke.
This 25 foot high antenna works great on all bands 80m to 6m, and works well on 160m. The manufacturer recommends not using a tuner because of the ferrite core balun design, but I use the TS-590S internal tuner on 15m, 30m, 60m and 160m. Without the tuner the SWR on these bands is about 3:1 at the TX end of the feedline, so the TS-590S tuner works fine. The balun can handle 300W, so core heating is not a problem at 100W - the antenna still works perfectly since 2005. On the 7 bands where the SWR is 1.5:1 or less, not using the tuner makes the Xcvr relays last longer.
Need an antenna for 6m?
The OCF dipole (no tuner) works as good as a 6m dipole and I worked 8-10 grids in many January SS with a 20W transverter.
For 30 years I used a 6m dipole, now I have a Yagi. I do use the OCF antenna periodically to work 6m openings rather than swinging the beam back and forth.
Updated June 2020 W3KM