Discovery (Direction finder) GND-517

Mullard Wireless, London (see also Mullard Radio Valve)

  • Year
  • 1954 ??
  • Category
  • Commercial Receiver (may include amateur bands)
  • Radiomuseum.org ID
  • 277012

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

 Technical Specifications

  • Number of Tubes
  • 7
  • Main principle
  • Superheterodyne (common); ZF/IF 110 kHz
  • Wave bands
  • Broadcast and Short Wave (SW).
  • Power type and voltage
  • Line / Storage batteries (perhaps also batteries) / AC: 115; 230 / DC: 24; 110; 220 Volt
  • Loudspeaker
  • - Is a Headphone or Earphone
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Discovery GND-517 - Mullard Wireless, London see
  • Shape
  • Tablemodel, low profile (big size).
  • Dimensions (WHD)
  • 16.5 x 12 x 11 inch / 419 x 305 x 279 mm
  • Notes
  • Direction finding equipment designed for the reception of types A1, A2 and A3 (c.w., m.c.w, and r.t.) signals in the Maritime Radio Beacon bands, covering a frequency range of 255kc/s to 525 kc/s and 1.6 Mc/s to 2.9 Mc/s.

  • Net weight (2.2 lb = 1 kg)
  • 40 lb 0 oz (40 lb) / 18.160 kg
  • Literature/Schematics (1)
  • -- Original-techn. papers.
  • Author
  • Model page created by Miguel Bravo-Cos. See "Data change" for further contributors.

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