[time-nuts] Low cost GPS module for < 100ns timestamping error

Chris Albertson albertson.chris at gmail.com
Mon May 12 13:52:19 UTC 2014

On Mon, May 12, 2014 at 3:03 AM, Tony <tnuts at toneh.demon.co.uk> wrote:

> Unfortunately they use way too much power - 800mW maximum compared to 50mW
> for a UBLOX MAX-7c which are around $15. It also is specified at 50ns rms,
> 99% < 100ns.  It appears that most, if not all, the timing type modules are
> higher power as well as more expensive; unless anyone has any better
> suggestions it looks like I'll have to stick to navigation type modules.

I think they use more power because a timing mode GPS is used at a fixed
location and so is likely to have AC mains power available and if a backup
battery is needed it can be a large gell cell type


Chris Albertson
Redondo Beach, California

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