[GreenKeys] 1960 Army, Navy, and Commercial Communications Systems

[Joe Clanin]

Quite a few maps!

-Joe

On Sun, Oct 5, 2025 at 3:19 AM Paul Heller via GreenKeys <
greenkeys at mailman.qth.net> wrote:

> Thanks Nick. Very interesting indeed.
> Paul
>
> On Oct 4, 2025, at 9:07 PM, Nick England via GreenKeys <
> greenkeys at mailman.qth.net> wrote:
>
> 
> 1960 Army, Navy, and Commercial Communications Systems
> (including AT&T, WU, cable companies, etc.)
> USAF manual AFM 100-33
> Some interesting history and overview, including maps
> https://www.navy-radio.com/manuals/afm100-33-comm-systems.pdf
>
> Nick England K4NYW
> Chapel Hill NC
> www.navy-radio.com
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