On a recent SOTA I played with 2 meter Side Band and had a great time. Oh and I was at 6400 feet elevation wow what difference that makes for 2m!
Derrick’s channel, https://www.youtube.com/channel/UCOjjIROB7XWmkcPqpMmAKvA
2m antenna build, https://www.youtube.com/watch?v=oobvufJq2d8&t=3s