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D. -----Original Message----- From: David C. Partridge <[email protected]> Sent: 28 February 2022 13:56 To: 'Discussion of precise time and frequency measurement' <[email protected]> Subject: [time-nuts] Re: GPSDO - GPS1300-10-1000 by RFX Ltd. UK Maybe take a look at: http://www.leobodnar.com/shop/index.php?main_page=index&cPath=107&zenid=15a9 2055b16c36edbdc83f4ac8fb8abc -----Original Message----- From: John Moran, Scawby Design <[email protected]> Sent: 28 February 2022 13:26 To: [email protected] Subject: [time-nuts] GPSDO - GPS1300-10-1000 by RFX Ltd. UK With all this interesting talk about - a) How hard it was to build a GPSDO from scratch and b) How, to measure a signal accurately, you need a reference circa 10x better I started to get worried since I want to do both. To help with the latter I have acquired an HP5370A that just needs picking up from Scotland, where I was hoping to maybe pick up some surplus oscillators as well. But the 10x specs in the discussions got me worried enough to look around for a known good GPSDO rather than buying a bag-full from China and trying to sort out a good one. I found this - https://www.rfx.co.uk/pdfs/GPS_OCXO_1300_10_module.pdf and have been quoted £500 as a special deal (they normally have a £1,000 minimum one-off charge). Can anyone please pass some sort of judgement on whether its specs are good enough to stand in as my master reference until I can find a Rubidium device on this side of the pond. John _______________________________________________ time-nuts mailing list -- [email protected] -- To unsubscribe send an email to [email protected] To unsubscribe, go to and follow the instructions there. _______________________________________________ time-nuts mailing list -- [email protected] -- To unsubscribe send an email to [email protected] To unsubscribe, go to and follow the instructions there. _______________________________________________ time-nuts mailing list -- [email protected] -- To unsubscribe send an email to [email protected] To unsubscribe, go to and follow the instructions there.
