[R-390] Staggertuned IF Question: Visual Alignment Doc

[Mark Huss]

See http://www.r-390a.net/ and search for ST 32-152

Bill Cotter wrote:

> Does anyone have this Army document available in pfd format to share? 
> It might be a good document to place in the common access web pages.
>
> 73 Bill N4ALG
>
>
>> If you can arrange a sweep generator/detector system to do your 
>> tuning, you will be able to see the effect of your tuning 
>> experiments. An Army publication ST 32-152.pdf, entitled "Visual 
>> Alignment of Radio Receivers R-390/URR and R-390A/URR" is a good 
>> place to start. Go to: http://www.r-390a.net/ and look under 
>> References, in the Army section. (It describes sweepers that do not 
>> have retrace blanking, so adaptation of the methods is needed for 
>> more modern equipment.) There have been articles published on how to 
>> build sweep generators. I don't know if FAR Circuits has such a 
>> board/article available, but someone should check their web site and 
>> report. But plenty good enough sweep generators are available on the 
>> surplus market.
>>
>> These topics of stagger tuned IF strips and sweep alignment methods 
>> are both very interesting to me, though I have not yet done very much 
>> experimenting. When my Radio Emporium is set up at my new QTH, I 
>> certainly will.
>>
>> Roy
>>
>>
>> - Roy Morgan, K1LKY since 1959 - Keep 'em Glowing
>> 13033 Downey Mill Road, Lovettsville, VA 20180
>> Phone 540-822-5911 Cell 301-928-7794
>> Work: Voice: 301-975-3254, Fax: 301-975-6097
>> roy.morgan at nist.gov --
>>
>>
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>
>
>
> ----------------------------------------------------------
> Bill Cotter, N4ALG E-mail: n4alg at qx.net
> 173 Carolyn Lane Home: (859) 887-5563
> Nicholasville, KY 40356-9340 Work: (859) 323-6474
>
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