[arm-allstar] COS equivalent for other radios

[David McGough]

The COS signal, in its most basic form, is just a logic signal which 
indicates if the squelch is open of closed. For example:

COS == 1  ....The squelch is open.
COS == 0  ....The squelch is closed.

In a more advanced form, COS will SOMETIMES also include PL or DCS 
signaling. For example:

COS == 1  ....The squelch is open AND proper PL/DCS is present.
COS == 0  ....The squelch is closed OR proper PL/DCS is absent.


What type of radio are you looking for info about?

73, David KB4FXC


On Thu, 15 Mar 2018, "Fred Hillhouse via arm-allstar" wrote:

> Greetings,
> 
>  
> 
> I have an older radio I am looking at to be a home node. I was looking for
> something that might describe the COS signal. Can someone guide as to what I
> am looking for? I am happy with learning what I should Google for. COS
> brings up Motorola radio links by the hundreds.
> 
>  
> 
> Thanks!
> 
>  
> 
> Best regards,
> 
> Fred N7FMH
> 
> 
> 
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