Hope you're getting excited about JOTA this weekend! Here's the official BSA website where you can get the latest information on JOTA here in the US:
Also, the BSA National Radio Scouting Committee (of which I'm a member) recently updated the Radio Merit Badge PowerPoint slides and has posted them here for your use:
Thus, to avoid confusion and duplication, I've deleted the old version of the slides from the file area here on ScoutRadio and from my own website:
The three part individual module workbooks are still available in both places.
Have fun this weekend and keep teaching Radio Merit Badge!
Gary Wilson, K2GW