Actually Dr Kent Irwin at NIST has developed very small and extremely sensitive detectors using SQUIDs. Not exactly a project that can be duplicated at home though. There are a number of articles about his work on line.
Thomas Knox > Date: Sun, 29 Sep 2013 06:11:38 -0700 > From: jim...@earthlink.net > To: time-nuts@febo.com > Subject: Re: [time-nuts] Pulsars make a GPS for the cosmos > > On 9/29/13 3:42 AM, mc235960 wrote: > > > > Le 28 sept. 2013 à 14:26, Magnus Danielson a écrit : > > > > > > I think the radio elescope(s) needed are much smaller. There are > > apparently 2 pulsar clocks installed here in europe, one in St Catherine's > > church Gdansk and the other in the European Parliament, Brussels. The Wiki > > article states "The pulsar clock consists of a radiotelescope with 16 > > antennas, which receive signals from six designated pulsars. Digital > > processing of the pulsar signals is done by an FPGA device" . I have tried > > to find more details without success, but the antennas must be reasonable > > sized to be installed in such places. I think the OP link indicates that > > X-ray wavelengths would be used which bring down the detector size. No use > > on earth though. > > > > It would be interesting to find out more info. > > Xrays are nice (see X-NAV), but so far, nobody has built a small, > lightweight X-ray detector of sufficient efficiency. You don't want to > have multiple detectors the size of Chandra, XMM, or Nustar > > _______________________________________________ > 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. _______________________________________________ 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.