[time-nuts] have 10MHz need 19.5Mhz

[Gabs Ricalde]

On Mon, Jun 3, 2013 at 4:30 AM, Gerd v. Egidy <lists at egidy.de> wrote:
> Hi Chris,
>
>> The question is the best way to get from 10MHz to 19.5MHz.
>
> Must it be the RasPi or can it be another cheap Linux device?
>
> There are some out there which have a frequency which is simpler to reach than
> 19.5 MHz.
>
> Have a look e.g. at the cheap low-power TL-WR703N, they use 25MHz:
> https://forum.openwrt.org/viewtopic.php?id=39829
>
> They don't have as much CPU as a RasPi, but should be enough for a local NTP.
> On ebay they cost a bit over 20 EUR delivered from China.
>
> Kind regards,
>
> Gerd
>

Hi,

I've been using WR703N/MR3020 and WR841N routers as NTP servers with
NMEA and PPS. The PPS drivers are a bit of a hack since I don't know how
to enable GPIO interrupts.

https://code.google.com/p/openwrt-stratum1/