• Country
• Great Britain (UK)

• Manufacturer / Brand
• Racal Engineering / Instruments / Electronics Ltd., Bracknell

• Year
• 1970 ??

• Category
• Miscellaneous (Other, Various) - see notes

• Radiomuseum.org ID
• 106739

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Wave bands
• Short Wave (SW only)

• Power type and voltage
• Alternating Current supply (AC) / 100-125; 200-250 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: Decade Frequency Generator MA-250 - Racal Engineering /

• Shape
• Rack

• Dimensions (WHD)
• 483 x 222 x 554 mm / 19 x 8.7 x 21.8 inch

• Notes
• Decadic Frequency Generator used for receiving frequency synthesis in RTA-191 receiving system, decade switches allow to select frequencies in 100 Hz steps.
  The Frequency Generator produces output frequencies 1,6 MHz higher then reception frequencies, 1,6 -31,6 MHz.
  The set also has stabilised 100 kHz, 200 kHz, 1 MHz and 5 MHz outputs.

• Net weight (2.2 lb = 1 kg)
• 27 kg / 59 lb 7.5 oz (59.471 lb)

• Mentioned in
• Racal Handbook, Rinus Jansen

• Author
• Model page created by Martin Bösch. See "Data change" for further contributors.

• Other Models

• Here you find 113 models, 62 with images and 18 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Racal Engineering / Instruments / Electronics Ltd., Bracknell