• Country
• Italy

• Manufacturer / Brand
• MILITARY Italy (different makers for same equipm.)

• Year
• 1927

• Category
• Military transmitter

• Radiomuseum.org ID
• 178460

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

• Number of Tubes
• 1

• Valves / Tubes
• TB04/10

• Main principle
• Transmitter

• Wave bands
• Wave Bands given in the notes.

• Power type and voltage
• Storage Battery for all (e.g. for car radios and amateur radios) / 8, 12 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Wooden case

• from Radiomuseum.org
• Model: Trasmettitore OC Ondina 33 - Ondina S - MILITARY Italy different

• Shape
• Tablemodel, with any shape - general.

• Notes
• 20 to 100m wavelength, 5W RF output power. Keyed Hartley oscillator, the design was carried out by Regia Marina (Navy). Anode voltage was generated by a vibrator power supply.
  This transmitter was also installed in the airship 'Italia' in its 1928 flight to the North Pole.

• Mentioned in
• Funkgeschichte der GFGF (37.Jg. 2014; Heft 216, S.125 ff. & 217, S.172 ff.)

• Literature/Schematics (1)
• Ali ed Onde, F. Soresini, Ed. A.I.R.E.

• Literature/Schematics (2)
• Le onde smarrite della Tenda Rossa, C. Sicolo, Ed. Sandit, Albino, 2017 pagg. 139-146 e 194-196

• Author
• Model page created by Emilio Ciardiello. See "Data change" for further contributors.

• Other Models

• Here you find 17 models, 9 with images and 4 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from MILITARY Italy (different makers for same equipm.)