Thanks for all the replies. One thing I hadn't considered was the audio delay 
matching requirements. I was more interested in simulcast for frequency reuse 
then using it for the same audio on multiple TX's. It looks like all you'll 
get is unintelligible audio in areas where TX's overlap. 

Steve 
WA6ZFT

On Sunday 05 June 2005 08:41, [EMAIL PROTECTED] wrote:
> HI Steve
>
> You know Mike (DAC) has done that with pagenet and the other companys he
> has worked for if we can ever tie him down for a bit of time he should be a
> world of info, I would think you need a Hi Stability TO. on both repeaters.
> .....bob
>
>
> Has anyone implemented a simulcast (multiple TX's on the same channel)
> system for a ham 440 repeater system? It looks like you have to have TXCO's
> capable of tracking within a few hertz of each other.
>
> You can't do this with standard TCXO's, so I'm wondering if anyone has
> tried modifying a TCXO to lock to a GPS source, or NTP source.
>
> Steve WA6ZFT
>
>
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> Yahoo! Groups Links
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