he was still able to make a big splash by announcing and posting his fantastic new website to help people visualize the RF spectrum used in wireless LANs.
You too can check it out here: https://lnkd.in/ghh_4rqq
This is a wonderful teaching tool... but it is way more than a simple channel chart... but it is dynamic, flexible, and adaptable - some great coding by Joel to get this website as useful as it is.
Play with the various tools and ability to change things... Thanks Joel for sharing this with the entire community!