"Brian Denley" wrote in message
...

BTW, The NRD-535D provides a really nice system, allowing the user to set
the BFO offset to any specific frequency (accurate to the Hz).

FWIW, the NRD-545 does the same thing. BFO offset can be set anywhere
between -2550 Hz to +2550 Hz in 10 Hz steps.

Mark.
Auckland
New Zealand.