In message <[email protected]>, Sarah White writes: >On 5/6/2013 12:29 AM, Mark Sims wrote:
>> The 48-hour precision survey in Lady Heather uses a statistical >>weighted median filter to arrive at its final location instead of >>a simple average of fixes. It processes data of one minute, hour, >>and overlapping 24 hour intervals to calculate the final position. >>It can produce a location that is 3-10 times better than simple >>averaging of the fixes. You can probably do even better than that: Weigh the summing by DOP. That gave me a factor two or so, because it reduced the weight of samples suffering from multipath and other ailments. -- 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. _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
