Any new repeater coordination in Texas MUST have CTCSS or DCS access, no 
exception.  Only older coordinations are grandfathered with open squelch 
access.  It just does not make any sense to put on a repeater these days 
without some kind of access control.
   
  Unfortunately, some hams equate access control to a 'closed' system.  That 
kind of thinking needs to go the way of AM phone :-)
   
  73 - Jim  W5ZIT

Mark <[EMAIL PROTECTED]> wrote:
          I do remember that the Icom 02AT had subaudiable tone as an encode 
(TX) function over 20 years ago. As to the repeaters, it has and 
continues to be an owner option in most areas of the US. I don't 
there is a real date as to when it was introduced in repeaters.

Mark KS4VT

--- In Repeater-Builder@yahoogroups.com, "larry allen" <[EMAIL PROTECTED]> 
wrote:
>
> Does anyone know when subaudabe tones were introduced into ham radio 
> repeaters.. or more specifically when they became standard in ham 
radio 
> sets?
> Larry ve3fxq
>



                         

       
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