You can also reduce the frequencya small amount with a number 2 pencil “lead”.

Mac, K2GKK/5 in OKC, OK

Sent frommy iPhone

On Jul 31, 2023, at 18:59, Al Klase <[email protected]> wrote:

 The other advantage to the FT-243's is that you can easily disassemble them, and grind them to a higher frequency.

Al

On 7/31/2023 7:42 PM, [email protected] wrote:

If I understand your question correctly, the interest in FT-243 or other vintage crystal holder formats is just that, they are vintage, historical artifacts, & have some attraction from being so.  They're nice to have to use in vintage transmitters, especially when we are trying to recreate the look & feel of radio stations we either used or lusted for when we were younger & perhaps still Novices.

Yes there are other ways to provide frequency determination & stability but they don't have the same cachet & charm.

Wayne

WB4OGM

On Monday, July 31, 2023 at 05:08:37 PM MDT, Leslie Smith <[email protected]> wrote:

On a parallel 'track' to recent postings about FT243 crystals I ask:

is the shape/pinning/authenticity the focus of interest OR the merely the ability to generate a stable, known (and even synthesized/variable) frequency?  What if the 'crystal' was in a box, say 2x2x1 inches?

Yes, this forum has a specific focus - ARC-5 sets, but many here are 'ham' operators.  So I'm asking the question to a wider audience than those with ARC-5 interest.

Leslie

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--
Al Klase - N3FRQ
Jersey City, NJ
http://www.skywaves.ar88.net/

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