Marconi BD272 250 kW transmitter brought from Daventry transmitting station increased the number of senders to 9, followed by another similar unit from...

service done including replacing the spark plugs, replacing the oil pressure sender unit, changing the oil, replacing the oil filter and replacing the air filter...

to be provided with 4-wire transmission lines, following tests made at Daventry (OSE1). A remotely controlled switching tower was used for connecting any...

station and the transmitting towers of a BBC shortwave station in nearby Daventry. The aircraft reflected the 6 MHz (49 m) BBC signal, and this was readily...