[MRCA] wuzzit?

[Dale Mecomber]

Yes, "204A"!
The "AWA" is in need of them for the 1BCG replica transmitter.
Dale, N2DM, "Skinny-At-Las Falls ,NY"

On Fri, Feb 3, 2023 at 9:21 AM Mike Feher <n4fs at eozinc.com> wrote:

> Yes, the UV204A was born in the 20’s as a high power triode transmitting
> tube. However, the example shown with the aluminum base and Graphite plate
> is WWII vintage. 73 – Mike
>
>
>
> Mike B. Feher, N4FS
>
> 89 Arnold Blvd.
>
> Howell NJ 07731
>
> 848-245-9115
>
>
>
> *From:* mrca-bounces at mailman.qth.net <mrca-bounces at mailman.qth.net> *On
> Behalf Of *Ray Fantini
> *Sent:* Friday, February 3, 2023 9:08 AM
> *To:* Jeep Platt <jeepcomms at outlook.com>; Gene Smar <ersmar at verizon.net>;
> Military Radio Collectors Association <mrca at mailman.qth.net>
> *Subject:* Re: [MRCA] wuzzit?
>
>
>
> That’s a pre WW2 transmitting triode, think it goes back to around the
> late twenties. Used in Westinghouse and RCA broadcast transmitters and is
> rated at around 250 watts when used in the PA. they would use four together
> in a 500 watt transmitter.
>
> Weird trivia! Before deregulation in the seventies the FCC required that
> you had to be able to see and directly control the transmitter in a
> broadcast station so a lot of the transmitters built from back in the
> beginning up to the seventies used huge glass tubes with quiet forced air
> cooling but after deregulation most manufactures switched to metal tubes
> and high volume forced air cooling that was loud being you no longer had to
> see the transmitter when you were on the air.
>
> That’s why everyone wants the old Collins, Gates and RCA transmitters for
> AM Ham opps but the newer generation of transmitters are not as desired.
>
>
>
> Ray F/KA3EKH
>
>
>
>
>
> *From:* mrca-bounces at mailman.qth.net <mrca-bounces at mailman.qth.net> *On
> Behalf Of *Jeep Platt
> *Sent:* Thursday, February 2, 2023 9:04 PM
> *To:* Gene Smar <ersmar at verizon.net>; Military Radio Collectors
> Association <mrca at mailman.qth.net>
> *Subject:* Re: [MRCA] wuzzit?
>
>
>
>
>
> Looks like an old X-ray tube I once had.  A curio, to be sure!  K3HVG
>
>
>
> Sent from my Verizon, Samsung Galaxy smartphone
> Get Outlook for Android
> <https://nam10.safelinks.protection.outlook.com/?url=https%3A%2F%2Faka.ms%2FAAb9ysg&data=05%7C01%7Crafantini%40salisbury.edu%7C4fd9e6bc65be43c13e5008db058ae2d1%7C2472f1faf24f421badd7b01c4b49be07%7C0%7C0%7C638109866626292688%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C2000%7C%7C%7C&sdata=ssweDHM%2BbrbDk6aZwTqlBLn5U1DPd%2BcTGTtujVp2bjQ%3D&reserved=0>
> ------------------------------
>
> *From:* mrca-bounces at mailman.qth.net <mrca-bounces at mailman.qth.net> on
> behalf of Gene Smar via MRCA <mrca at mailman.qth.net>
> *Sent:* Thursday, February 2, 2023 9:00:05 PM
> *To:* Military Radio Collectors Association <mrca at mailman.qth.net>
> *Subject:* [MRCA] wuzzit?
>
>
>
> Anybody know for sure what this is? I'm thinking a vacuum cap.
>
>
>
> The father (non-ham) of a friend recently died and I'm told had a
> collection of old tubes. I've been asked if someone can use them. Not sure
> if that means they will be given away or sold but I will be sent more
> photos of the collection and will post them here. I'll find out more about
> the giving vs selling question for y'all.
>
>
>
> 73 de
>
> Gene Smar AD3F
>
>
>
> Sent from my Radio Shack TRS-80 model 100 laptop
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