[R-390] EAC SSB Conversion

[Todd, KA1KAQ]

On Tue, Apr 30, 2013 at 2:54 PM, Dennis Deaton <wa6acc at verizon.net> wrote:

>
> Several years ago, an article was published giving both the picture and
> the schematic that EAC had produced for a foreign military's mod to the
> R-390A to give it good SSB reception. It involved building a small
> crystal-controlled BFO and product detector using a 6U8. Does anyone on the
> list have that data? If not, could you point me to it?
>

If memory serves me correctly, it was Columbia Electronics that converted
them for the Mexican government. Try google with R-390A, SSB, and one or
either of those items and see if anything comes up. The article might have
been in Electric Radio.

de Todd/'Boomer'  KA1KAQ/4