[Milsurplus] Sperry 2J64 Magnetron

[Dave Merrill]

A very similar device appears on page 2 of this 1947 IRE article:

https://www.njarc.org/manuals/Articles-books/Tubes-in-WWII_article-IRE-3-1947-Gorham.pdf

On Fri, May 9, 2025, 1:51 PM Jim Whartenby via Milsurplus <
milsurplus at mailman.qth.net> wrote:

> Unusual magnetron, I also cannot find any information on this type
> number.  20 cm aka 1400 mc but relatively low power.  Perhaps this was an
> export tube to England during WW2?  The Brits were experimenting with
> L-band Airborne Intercept, the original AI.
> Jim
>
> Logic: Method used to arrive at the wrong conclusion, with confidence.
> Murphy
>
>
> On Tuesday, May 6, 2025 at 12:11:49 PM CDT, Dave Merrill <
> r390a.urr at gmail.com> wrote:
>
>
> Anyone have a clue what system this came out of? About 9" long. Marked 'US
> ARMY MADE IN U.S.A.' so WWII era.
>
> Dave N9ZC
> ______________________________________________________________
> Milsurplus mailing list
> Home: http://mailman.qth.net/mailman/listinfo/milsurplus
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:Milsurplus at mailman.qth.net
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
> ______________________________________________________________
> Milsurplus mailing list
> Home: http://mailman.qth.net/mailman/listinfo/milsurplus
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:Milsurplus at mailman.qth.net
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mailman.qth.net/pipermail/milsurplus/attachments/20250509/25418248/attachment.html>