I wondering, is there any reason for the particular order of letters as they are introduced in the lessons? I was very surprised when = showed up at lesson 16. I am keen to learn the full alphabet but I will probably never use =
There is some logic behind the order - to do with grouping similar shorter characters together to start off with. YMMV
= is not just = it is also the BT prosign so, whilst you don't have to send it, you will nevertheless hear it continually on the air, and to that extent you will have to use it . . .