• Country
• Denmark

• Manufacturer / Brand
• Radiometer; København - Copenhagen

• Year
• 1955 ??

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 123521

• Number of Tubes
• 1

• Valves / Tubes
• EC81

• Power type and voltage
• Alternating Current supply (AC) / 220 Volt

• Material
• Metal case

• from Radiomuseum.org
• Model: Grid-Dipmeter GDO 1b - Radiometer; København -

• Dimensions (WHD)
• 80 x 280 x 70 mm / 3.1 x 11 x 2.8 inch

• Notes
• Resonant frequency 2 - 220 MHz

• Source of data
• - - Data from my own collection

• Author
• Model page created by Ernst Rykkje. See "Data change" for further contributors.

• Other Models

• Here you find 40 models, 37 with images and 14 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Radiometer; København - Copenhagen