If we deleted this thread, we'd also have to delete a lot of other threads
The best thing anyone, including the OP of this thread, can do is to download and study the BBC paper that I always mention in these threads.
For anyone who missed it earlier, here it is again:
https://www.vintage-radio.net/forum/...4&d=1488109603
Really, it's all in there, and it's easy to read and digest
