We need to find out exactly what tube they need. The initial email has
both 527B and 572B in the text so one is a typo. Subject of your email
to the list says 529B.


On 1/10/20 08:52, Levi C. Maaia - K6LCM via SBARC-list wrote:
> Hello SBARC,
>
> As some of you know, I have a connection to a radio club in Havana after
> visiting Cuba twice in 2014-15. Hams in Cuba have very limited access to
> equipment, supplies and tools but they make do amazingly well with what
> they can access. However, some
> things cannot be easily improvised, and vacuum tubes are one such
> commodity.
>
> My friend Joel CO2YQ is in need of a 527B tube. Here's what he said
> (translated):
>
> "I need to find out with the colleagues of the Santa Barbara Club, if
> someone has a 572B valve that I am not using and can donate it to me, my
> linear is somewhat old a FL2000B and the valves it has are already very
> low emission."
>
> If anyone has a 527B that they would be willing to contribute, please
> let me know and I will bring it down to Joel's shack. I will be headed
> to Havana at the end of the month (Jan 23-30) for a documentary film
> scout and I could bring it then.
>
> You can read more about my initial contact with Joel and visiting his
> station in QST:
> https://levi.maaia.com/qst-journal-of-the-arrl-qsl-from-cuba/
>
> 73
> K6LCM
>
>
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