Wireless Set No. 62

Technical specifications

• AM, Superheterodyne radio transceiver.
• Frequency coverage: 1.6 - 4.00 MHz, and 4.0 – 10.0 MHz in two switched ranges.
• Receiver sensitivity : 1.6 - 4.00 MHz, better than 3 μV; 4.0 - 10.00 MHz, better than 6 μV.
• Intermediate frequency: 460 KHz
• Receiver Audio output: 200 mW at 1 KHz
• Transmitter RF output: 1 W
• Circuitry: 11 valves
• Weight: WS62 transceiver unit - 13.7 kg
• Dimensions: 515 x 260 x 324 mm
• Power Supply: 12 V DC at 3.0 to 5.0 Amps from external batteries, powering an internal rotary transformer. Later models used a transistorized inverter power supply.
• Antenna Systems:
• *Mobile station: vertical rod aerials 4 ft, 8 ft or 14 ft high
• *Fixed station: vertical ground mounted 32 ft mast
• *Fixed station: horizontal 100 ft long end-fed wire
• Used Crystal Calibrator No. 10 as an external frequency reference