[CW] J38 - a question

[ka8vit at ka8vit.com]

It was used for training...  to connect the headphones and keys in a loop. 
 
See this diagram.
 
http://k6ix.net/J-38/TM11-432-P18.jpg
 
 
73 - Bill KA8VIT
 
 



On September 6, 2011 at 12:34 AM Radio K0HB <kzerohb at gmail.com> wrote:

> I'm probably supposed to know this, but somehow my military education was
> neglected on the point.
>
> The classic J-38 keys have a pair of isolated (not connected to the key
> mechanism) contact posts designated "TEL" and "LINE", and connected by a
> shorting strap.
>
> Our shipboard Navy keys (type xxx-23146) did not have those posts.  What was
> the purpose of the posts and the shorting strap between them?  Must be an
> Army thing.
>
> 73, de Hans, K0HB
====================================
Bill Chaikin, KA8VIT
USS COD Amateur Radio Club - W8COD
WW2 Submarine USS COD SS-224 (NECO)

ka8vit at ka8vit.com
http://ka8vit.com
http://www.usscod.org
====================================
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