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Re: SO-50 and 74.4 tone



A 74.4 tone will reset the timer even before it expires. A very short 
transmission is plenty, like 1 second.

73, Drew KO4MA

----- Original Message ----- 
From: "Patrick STODDARD (WD9EWK/VA7EWK)" <amsat-bb@wd9ewk.net>
To: <amsat-bb@amsat.org>
Sent: Monday, July 17, 2006 5:49 PM
Subject: Re: [amsat-bb] SO-50 and 74.4 tone


> Hi!
>
>> Carl ~ the 74.4 Hz tone sets a 10 minute timer. No need to re-send  the 
>> tone if
>> there is activity on the bird. It will need a 67 Hz tone to hear your 
>> uplink
>> signal.
>
> Do we have to wait for the timer to run out, before we send the 74.4 Hz 
> tone to
> reset the timer?  Or will it reset anytime the SO-50 receiver hears
> that tone on the
> uplink?  It seems like the timer can't be reset while it active, but I
> could be wrong.
>
> Thanks in advance, and 73!
>
>
> Patrick WD9EWK/VA7EWK - Phoenix, Arizona USA
> http://www.wd9ewk.net/
> ----
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----
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