'This shows the unserviceable rack of equipment awaiting servicing. On show is a Pye PTC 703 Receiver and the black units are Pye mobile units PTC102, consisting 3 units on the Rx, Tx and PA unit. Underneath was the power supply consisting of two rotary converters giving 220 volts for the Rx and 310v for the Tx. On show are two frequency simplex working units. Durham county had what looked similar units but were Pye PTC103, which was two frequency duplex working. There being three rotary generators in the bottom unit. One for the Rx, one for the Tx and one for the PA.'
