If you have a vintage AM radio, it’s sometimes difficult to receive local stations unless you live in a larger city. Those living on the fringe or in the country might not be able to tune in many ...
[Avian]’s dad got a new ham radio transceiver with a 3.5 mm jack, and his pile-of-cables got him a headphone cable from Bose headphones. He built a DB9 to 3.5 mm adapter with that one – and it failed ...