“A Miserable vawe”, or, “Bídná Vlna” is a name of our amateur radio club station OK1KBT used by members of NVT to communicate and share information. See the new webpage of OK1KBT at: https://ok1kbt.fbmi.cvut.cz/, or, simply: www.OK1KBT.cz. The picture represents the club’s QSL card.
A list of current members of OK1KBT can be found here.