[time-nuts] FTS125 GPS Module

[Azelio Boriani]

Check for a software update. Try to send the $PRTHS,RSET,ALL command (the
internal CW25 GPS should be an NMEA version).

On Thu, Jun 28, 2012 at 4:44 PM, ExpertEngineer
<expertengineer at live.co.uk>wrote:

> Hello,
>
> Has anyone had a play with the FTS125 GPS reference from Connor Winfield.
>
> I have one question on it.
>
> I notice if the unit is locked to GPS and the antenna is removed, the unit
> goes to holdover which is correct.
>
> If the antenna is replaced quickly (within minutes) then the module
> changes back from holdover to GPS lock, which is what I would expect.
>
> However, if the antenna is left out for hours, then re-connected, the unit
> never goes back to GPS locked and remains in holdover, this despite 8 or
> more satellites being received.
>
> I have tested multiple boards and they all do this.  This is on the CTV
> TXCO version.  I haven't tested the COO version yet.
>
> Anyone else seen this.  Any fax?
>
> Best Regards
>
> Martyn
>
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