[Milsurplus] Who was the original designer of the "Old Family" FM radios?

David Ross ross at hypertools.com
Mon Jun 2 14:46:24 EDT 2008


Nick -

  Thanks for doing the research and for posting this link:
<http://ieeexplore.ieee.org/Xplore/login.jsp?url=/iel5/10783/33970/01621548.pdf?isnumber=33970&prod=JNL&arnumber=1621548&arSt=+24&ared=+32&arAuthor=Durrer%2C+J.H.>
  It would be nice to see the entire .PDF file but membership is 
required to do more than just see the abstract.

  I have seen lots of these "Old Family" radios built by Lewyt and 
'small' subcontractor outfits like that, and just could not imagine that 
they would have the engineering resources to come up with that whole 
family design.  But yeah, Raytheon & RCA & Federal would have the 
engineering & production horsepower to do it.  After the designs are 
finished & debugged and the production tooling is created and the pilot 
runs are shipped and the high-dollar contracts are fulfilled, the little 
guys can take over manufacturing.

73
Dave Ross    N7EPI



Nick England wrote:
> I was able to download a PDF of the following article at
> http://ieeexplore.ieee.org/iel5/10783/33970/01621548.pdf?isnumber=33970&prod
> =JNL&arnumber=1621548&arSt=+24&ared=+32&arAuthor=Durrer%2C+J.H.
>
> It says development was cooperative effort of Ft. Monmouth, Bell Labs, RCA,
> Raytheon, & Federal.
>
> ---------------------------
> New developments in army mobile communication equipment
> Durrer, J.H.   
>
> This paper appears in: Vehicular Communications, Transactions of the IRE
> Professional Group on
> Publication Date: Aug 1952
> Volume: 2,  Issue: 1
> On page(s): 24- 32
> ISSN: 0097-6628 
> Date Published in Issue: 2006-06-26 10:57:25.0
>  
> Abstract
> In 1945 the operation of vehicular and field equipments in World War II was
> carefully analyzed and military characteristics for a new series of
> vehicular equipments established. The primary improvements over World War II
> equipments considered necessary were: reduction in the number of crystals
> required; more flexibility of channel assignment; complete
> immersionproofing; and capability of operating from storage batteries or
> from hand generators and dry battery sources in the field. The new
> equipments developed to meet these requirements, Radio Sets AN/GRC-3 through
> 8, are comprised of various assemblies of a group of major standardized
> components. Vehicular equipments to meet various communication needs may be
> assembled from these components on a building block principle. Each of the
> components and the acoustic accessories have been made immersionproof, this
> much-needed protection that was found necessary to attain reliability under
> tropical conditions. The equipments are designed for operation over an
> ambient temperature range from -40°C to up to 65°C.


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