[BC] Translator Question

[Craig Bowman]

If you remain exactly the same distance between the two transmitters it 
will suppress the beat otherwise you will hear it.

Craig Bowman


Mike Pluta wrote:
> As an additional aside, the Intraplex Syncrocast system has a mechanism
> to sync the pilots to avoid this beating.
>
> Mike Pluta (mike at nrcbroadcasting.com)
>
> -----Original Message-----
> From: broadcast-bounces at radiolists.net
> [mailto:broadcast-bounces at radiolists.net] On Behalf Of Craig Bowman
> Sent: Monday, February 26, 2007 4:26 PM
> To: Broadcasters' Mailing List
> Subject: Re: [BC] Translator Question
>
> Addition, there is an audible beat between the two 19kHz pilot tones.
>
> Craig Bowman
>
>
> Mark Humphrey wrote:
>   
>> On 2/26/07, Alan Alsobrook <radiotech at bellsouth.net> wrote:
>>     
>>> The 2 translators would have to be synchronized, exact RF frequency,
>>> exact audio timing, the modulation levels would also have to be the
>>> same. But yes you can make them play together nicely, but it's not
>>>       
> going
>   
>>> to happen without putting some time, effort, and money towards the 
>>> project.
>>>       
>> In theory, if the two are closely synchronized as Alan has described,
>> the listener will only hear an effect resembling "multipath".
>>
>> Another thought:  If the primary station is along the same line as the
>> two translator sites (either north or south), and heterodyne
>> conversion is used  (which assures matched modulation) using
>> GPS-referenced local oscillators in each translator, and the transmit
>> antenna of the furthest translator is directional away from the
>> translator that's closer to primary station, then delay problems will
>> be minimized.
>>
>> Mark
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>>     
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