[BC] Re: Secondary & Tertiary Tone

[Tom]

Primary: (Stop) Cue:  1 kHz

Secondary (EOM) Cue:  150 Hz

Tertiary (Trip, you-name-it) Cue - 8 kHz

If a station didn't implement the 8 kHz cueing, there could be a data 
"stream" in that range used for logging / traffic purposes

Mark Gierhart wrote:
> Can't remember the audio frequencies used back then? Wasn't one real high and one real low?
>
> Thanks
>
> Mark
(Ya gotta stay CURRENT on this tech stuff... <VBG>)

-- 
Tom Spencer
PG-18-25453 (nee' P1-18-48841)
http://radioxtz.com/