What Use Is An F-call?

What use is an F-call? Recently I was in a discussion with a friend and we were talking about how we started things that we do today. I recalled that in my teens, I must have been 12 or 13 at the time, I was a Sea Scout in the St Lodewijks Groep in Leiden, in the Netherlands. Our gear was stowed in a little windmill called the Boterhuismolen, which was opposite a little island where we used to camp. On one of those camps we had a couple of visitors who set-up a huge Army tent with lots of gear in it. I remember talking to some guy in Brasil at the time, and if you've been a Scout, you'd recognise that I'm describing JOTA, or Jamboree On The Air. I had completely forgotten that activity, but clearly it rubbed off, since here I am, a licensed Amateur, making those same contacts myself with my own station. While having a Foundation License prevents me from sharing my station with an unlicensed person, it doesn't stop me from helping with clubs who go out to local Scout and Guide Halls to “show and tell” thi