• 500/515 kHz (Morse)
  
  
• 2045/2068/2162/2182/2206 - [which eventually became 2207] and 2638/4125/4187 (kHz) (Radiotelephony)
  
  
• HF Working freqs (kHz) 8504/12740/17170.4/22533
  
  

Supplied courtesy of Paul Cotter.