• Country
• France

• Manufacturer / Brand
• Katji (4J); La Courneuve

• Year
• 1975 ??

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 282144

• Wave bands
• - without

• Power type and voltage
• Batteries / addl. power jack

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: Oscillographe 309 - Katji 4J; La Courneuve

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

• Notes

• Oscillographe portatif type 309 avec tube de 80 x 100 mm.

• Author
• Model page created by Jean-Louis Buton. See "Data change" for further contributors.

• Other Models

• Here you find 7 models, 7 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Katji (4J); La Courneuve