Thanks much. I did this.

Jerry


----- Original Message ----- 
From: "Brett Winches" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Monday, August 06, 2007 12:48 PM
Subject: Re: circuits for auditory gimmicks


> Have you checked the SKTF which is on line some where.  Try googling
> Smith Kettelwell Technical File=20
> =20
> 
> 
> ###
> BRETT WINCHESTER
> [log in to unmask]
> 208-639-8386
> ###
> 
> 
> -----Original Message-----
> From: For blind ham radio operators
> [mailto:[log in to unmask]] On Behalf Of Jerry Neufeld
> Sent: Saturday, August 04, 2007 7:03 AM
> To: [log in to unmask]
> Subject: circuits for auditory gimmicks
> 
> Good morning folks.
> 
> I'm looking for detailed circuit descriptions for both relative pitch
> and null-producing auditory chopper circuits for obtaining precise
> readings of analog meters. The summaries as appeared in recent issues of
> QST are insufficient except for the unit used with the MFJ 209 antenna
> analyzer.=20
> Optimally, I could get my hands on the descriptions that appeared in Bob
> Gunderson's Braille Technical Press that were first published in the
> middle and late 1960's. I would be pleased to purchase the entire
> collection or parts thereof if anyone cares to part with them.
> Alternatively, I would be very pleased to get detailed descriptions for
> the two above-mentioned devices if anyone would care to forward them to
> me.
> 
> Thanks much for any help here.
> 
> Jerry  VE3QSO
>