On 2010 Aug 22, at 6:52 AM, dwight elvey wrote:
There was a RACAL that I liked a lot as well (
can't recall the name
but I do recall almost being killed by one that I was tuning the
IF strip ).
The RACAL RA-117 perhaps? Implements the Wadley Loop tuning system.
High-end contemporary of, and competitor to, the R-390, in attempting
precision tuning before practical implementations of the PLL.
I've been rebuilding a couple of them of late:
http://www.cs.ubc.ca/~hilpert/e/radio/RacalRA117/