> Harlan Stenn wrote: > > Why don't you test how well the laptop works as a "time transportation" > > mechanism first? > > > > And they can make their own decision about how well the alternatives work. > > > > If the laptop does it for them, great. > > > > If not, they might be able to use a modem driver or a low-cost (~US$80) GPS > > receiver.
> The problem here is that the laptop is powered off during transport and > you are dependent on how well the TOY is able to keep time until it's > powered back up. At that point you have absolutely no idea how far off > the system's clock is from UTC and you can only assume that the contents > of the drift file give you an idea how far off the clock frequency is. > Of course if you are interested only approximately to the nearest 10-20 > seconds it may not be a big deal. It's better than no correction at all. My point exactly. Test it. Set it up, turn it off, wait a "sufficient" quantity of time, consider temperature changes during transport, fire it up again, and see how far off it is. H _______________________________________________ questions mailing list [email protected] https://lists.ntp.org/mailman/listinfo/questions
