On the home brew side there are GPS receivers (Ublox Lea 6T and Lea M8T) that will time tag incoming signals to sub usec resolution . You of course need a PC/micro to configure and read the data. Also, if you are prepared to have a Beaglebone Black in your box you can use one or both of the two Programmable Real-time Units, modules in the SOC that are completely independant of the CPU running linux, to also get sub usec resolution. Programming required.
> Le 18 oct. 2017 à 17:26, Attila Kinali <att...@kinali.ch> a écrit : > > On Wed, 18 Oct 2017 08:47:58 -0600 > Rob Seaman <sea...@noao.edu> wrote: > >> I’m at the annual planetary sciences meeting (in Provo this year) and >> several >> groups have expressed interest in duplicating our setup (details of FO >> converters, Schmitt triggers, etc, omitted) in a “cheap black box” to quote >> one fellow. Lots of people contribute productively to NEO observations, >> including amateurs and small teams with little funding. Improving their >> timekeeping would help keep rocks from falling on you and your family. > > What is this black box supposed to do? Just provide a PPS? IRIG-B? > Or does it need to have time-stamping capabilities? If so, how many > channels? > > What are your time precision/accuracy requirements? > > What how cheap is "cheap"? What is the volume? > > Attila Kinali > -- > It is upon moral qualities that a society is ultimately founded. All > the prosperity and technological sophistication in the world is of no > use without that foundation. > -- Miss Matheson, The Diamond Age, Neil Stephenson > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. "The power of accurate observation is commonly called cynicism by those who have not got it. » George Bernard Shaw _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.