[GreenKeys] Historical/Navy questions

[Nick England]

The AGC class command ships for amphibious assaults definitely had M15 gear
aboard.
https://www.navy-radio.com/ships/agc/agc4-1943-01.jpg

https://www.navy-radio.com/ships/agc/adirondack-rtty-01.jpg


Nick England K4NYW
www.navy-radio.com


On Sat, Apr 26, 2025 at 7:57 PM Duncan Brown <duncanancy at earthlink.net>
wrote:

> Jeff,
>
> I don't know about #2, but for #1, Navy ships during WWII definitely used
> M15 for RTTY/RATT communications. (I'm not familiar with "Iowa Class" size
> or dates).
>
> Before WWII, the US military used little or no TTY equipment (too
> expensive!).  But with WWII, they quickly realized the advantages of
> RTTY/RATT. Enclosed is a map of the Navy TTY network of 1948.
>
> The Navy did some experiments with RTTY in the 1920s, but I don't think
> they did much with them until WWII. So any ships with RTTY equipment on
> them before 1950, would have used M15s (and later, M19s). In 1950, M28
> production started and the first year (or two) production went to the Navy.
>
> Have fun,
>
> Duncan
> K2OEQ
>
>
>
> On 4/26/2025 7:35 PM, Jeffrey Golas wrote:
>
> Some questions and discussions from the ship today, maybe Nick or Duncan might have insight:
>
> 1. Does anyone know if an IOWA class ship had any Model 15 gear onboard when first deployed?
>
> 2. Would message handling ever send or receive personal traffic for sailors onboard from friends/family (aka telegrams) other than military orders?
>
> The second question was from a guest.
>
> Jeff
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