Re: Selcal HF Technical info ????

Date:         17 Oct 99 23:29:57 
From:         "Gary Watson" <>
Organization: @Home Network Canada
References:   1
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N.Smith <> wrote in message <airliners.1999.1080@ohare.Chicago.COM> ...
> Does anyone know the specs for the multi tone selcal signal used on
> HF, and the way it is composed into two tone bursts from a 4 letter
> code ???

You might want to contact ARINC as they provide the Selcal feature around
the world. I think they have a website.

Gary Watson