HI > On Dec 17, 2014, at 1:07 AM, Chuck Harris <[email protected]> wrote: > > I would venture that the extent of the magic was to note the physical > center of the array, and call that the phase center. > > As long as you always orient the antenna in the same direction, any > errors that might exist in the real phase center will be consistent, > and could be corrected for by noting the offset from a benchmark.
I’m afraid that’s what they do as well. Just spin it and see what a dial indicator reads sort of thing. I think that I’d want something that actually did some microwave tests …. Bob > > -Chuck Harris > > Bob Camp wrote: > >>> Inquiring minds surely are in high gear!! And to think, all I wanted to >>> know >>> was how close I needed to to point to north!! >> >> The need to point north is a legitimate question. There is a chance that they >> designed some magic into it to deliberately shape the response. >> >> Based on the analysis done so far, you have to wonder just how they set up to >> check these things for phase center. Given the money you pay for them, I >> would >> hope they have a definitive test. Getting back an answer like “some guy >> named Bob >> did some math” in response to a request for traceability would be a major >> downer >> …. >> >> Bob >> >>> >>> LMAO!! >>> >>> Dave M >>> >>> _______________________________________________ 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. >> >> _______________________________________________ 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. >> > _______________________________________________ > 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. _______________________________________________ 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.
