Collier & Beale HRO

Collier and Beale HRO type receiver

Collier and Beale HRO type receiver at ZL1ZLD

  • Frequency range: 50kHz – 30MHz, depending on coils used
  • Modes: AM and CW
  • Built: 1943

US company National developed the legendary HRO receiver with its drawers of plug-in coils for different wavelengths, but our two HROs were built by Collier and Beale in Wellington.

They are both installed at the Vintage AM operating desk in the East operating room.

Read about the development of the HRO line of receivers