MARCONI TRAWLER TRANSMITTER TYPE TW.12
THE MARCONI TRAWLER TRANSMITTER TYPE TW.12 HAD A C.W POWER OUTPUT OF ABOUT 60 WATTS. ITS POWER ON I.C.W AND A.M WAS ABOUT 25/30 WATTS. IT COVERED THE FREQUENCY RANGE OF 100 - 250 kHz AND 600 - 800 METRES.