• Country
• Great Britain (UK)

• Manufacturer / Brand
• Advance Electronics / Components Ltd.; Hainault, Wrexham

• Year
• 1964 ??

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 338642

Click on the schematic thumbnail to request the schematic as a free document.

• Wave bands
• Wave Bands given in the notes.

• Power type and voltage
• Line / Batteries (any type)

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: Portable Frequency Standard OFS1 - Advance Electronics /

• Shape
• Portable set > 8 inch (also usable without mains)

• Notes

• This unit was made to control the emitting frequency of the BBC Light Programme transmitter of Droitwitch, and thus has a long term accuracy which is better than 5 parts in 10⁹.
  It provides square waves outputs at 100 kHz and 1 MHz.
  The sensitivity is such that an internal aerial may be used in most parts of England.

  Al other characteristics are in the original attached article.

• Mentioned in
• Electronic Engineering, volume 36 January 1964.

• Author
• Model page created by Pier Antonio Aluffi. See "Data change" for further contributors.

• Other Models

• Here you find 47 models, 43 with images and 21 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Advance Electronics / Components Ltd.; Hainault, Wrexham