In message <[EMAIL PROTECTED]>, Randy Kaelber writes: >On Mon, Sep 26, 2005 at 02:33:00PM -0400, Daniel R. Tobias wrote: >> >> I would suppose that such a space probe would have little need to be >> synchronized with earthly solar time, and thus might be best off >> operating on TAI, with any adjustments to UTC for the sake of humans >> observing it on Earth being done at the Earthly end of things. > >That's the way we do it for interplanetary stuff now. Data from >spacecraft are typically returned in spacecraft clock time (SCLK, which is >pronounced "sclock") and then translated to whatever time base you want it >in. Right now, the clock on Mars Odyssey (as I type this) should be >reading 2/0812228033. Dealing with things like leap seconds, local time >conventions, and other time conversions are all handled here on Earth.
But that strategy breaks down for human space flight ? -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 [EMAIL PROTECTED] | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence.
