On 16 Sep 2010 at 8:45, jmfranke wrote: > The RBA receiver was not regenerative. From the manual, paragraph 2-2-7, > page 16: "The detector is of the plate rectification type." Looking at the > front panel, there is no regeneration control and there is a BFO switch. You're right. My mistake. But it IS a TRF. Thanks for the correction, John. :-) Ken W7EKB