Re: [RTTY] 88hy toroid coils

[Jerry Flanders <jeflanders@comcast.net>]

They were commonly used in the early '70's in audio filter 
applications. I think the major use for them were in RTTY 
demodulators designed by Irv Hoff, such as his ST-6.

Jerry W4UK

At 15:37 7/16/2006, Ted Huf W4ZE wrote:
>A friend of mine is looking for a source for 88mh toroid loading coils.  No
>I don't know what he wants to do with them.
>
>Ted Huf
>W4ZE

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