How to add a slim jim antenna to an HF multiband vertical
Here's another great idea for your next ARRL Field Day Antenna.
According to Steve Payne (W0KNI), it doesn't take much effort to add a 2m/70cm "slim jim" antenna to your multiband HF vertical antenna.
With this antenna modification, you can get coverage from 40 meters through 70 cm in one antenna.
If you can't see the video, please go here"
Here are some comments from Steve (W0KNI):