[Boatanchors] Oddball 50 Kcs Homebrew Receiver

[Ian Wilson]

Is this the monster with two parallel (different bandwidth) IF strips?
Trying to recall
the name of the QST article.

73, ian K3IMW

On Mon, Jan 25, 2016 at 4:47 PM, Whitebear1122 <whitebear1122 at comcast.net>
wrote:

>
> > I’m trying to ID a very interesting and very strange home-brew
> receiver..  At first I thought it was a DCS500 because of the 50 Kcs IF
> but I don’t think so now.  This item is built in a 19” rack panel/chassis,
> National dial on the front, handful of controls.  It has 12 Miller 1884 50
> Kc IF transformers on a raised chassis on top of the main chassis.  It also
> has two Miller 912-W2 oscillator coils for 1400-1600 KC on an elevated
> chassis connected to the front panel dial so obviously the oscillator.
> >
> > It looks like some huge 50 Kc IF filter at a minimum.  It appears to be
> bandswitched though, not using plug in coils, but bandswitched miniature
> coils.
> >
> > I found a data sheet from JW Miller for a “High Q 50 KC stagger tuned
> band pass coils.  It shows a schematic of a big band pass amplifier.  I’m
> wondering if the OT made a receiver out of it with an RF front end and
> mixer.
> >
> > Just wondering if this rings a bell with anyone.   I can send a picture
> if that would help.
> >
> > 73, Scott WA9WFA
>
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