Back in the eighties the Dutch radio network NOS broadcast programs for all types of home computers. They even invented a common BASIC dialect for this to work:

Back in the eighties the Dutch radio network NOS broadcast programs for all types of home computers. They even invented a common BASIC dialect for this to work: BASICODE https://archive.org/details/BASICODE2Manual https://archive.org/details/BASICODE2Manual This was sent on AM, so it was available in other European countries as well.