[time-nuts] Furuno GT-8031 breakout board

Didier Juges shalimr9 at gmail.com
Mon Feb 19 18:28:57 EST 2018


Got the answer in the previous email :)

On Mon, Feb 19, 2018 at 5:28 PM Didier Juges <shalimr9 at gmail.com> wrote:

> What do you mean by “Adafruit” pinout?
>
> On Fri, Feb 16, 2018 at 11:50 AM Mark Sims <holrum at hotmail.com> wrote:
>
>> No, the Tbolt does not have a separate receiver board... plus its' GPS is
>> rather special... the RF chain is locked to the OCXO so it does not produce
>> any sawtooth error.
>>
>> The Lucent KS firmware expects the GPS to support the older 6/8 channel
>> messages.   The newer 12 channel  messages are different.
>>
>> BTW, I just did a Motorola M12 to Adafruit pinout board.  The M12 form
>> factor and pinouts are also used by a lot of other timing receivers.  Why
>> Adafruit?  Because it is breadboard friendly,  has enough pins for all the
>> signals that one expects,  and my GPS to RS-232 adapter board has an
>> Adafruit connector on it.
>>
>> ----------------
>>
>> > Never having opened my TBolt, are the GT-8736 boards of use to replace
>> the aging and partly deaf receiver in that? Or for a KS-24019?
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>


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