[ARC5] TS-164/AR versus BC-221 ?

[Brooke]

Hi Hue:

Does this link answer your question?
https://aafradio.org/docs/TS-164.html

I plan to add some BC-221 info to my Hetrodyne Frequency Standard web page.
I have found the 1930 Bell Labs patent for the idea:
https://prc68.com/I/USM159.html#History

-- 
Have Fun,

Brooke Clarke
https://www.PRC68.com
axioms:
1. The extent to which you can fix or improve something will be limited by how well you understand how it works.
2. Everybody, with no exceptions, holds false beliefs.

-------- Original Message --------
> When was the BC-221 repackaged as the TS-164 ? How late used then ?
> Thanks -
> Hue Miller
>
>
>
> Sent from my Galaxy
>
>
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