THE SEM TRANSMATCH MKII - THE BEST ATU EVER

These superb devices hailed from the Isle of Man and have been acclaimed by some as the best ever made which is quite an accolade as some lesser devices have earnt the sobriquet 'made from junk!'

Annoyingly however, is the fact that there is never a circuit diagram or instruction manual available for these devices on the internet, but there is now on this blog a circuit diagram, kindly provided and drawn out in in graphics programme by one of my rather clever customers Fred, G4VVQ: -