That reminds me; Used to have a TWTT link via satellite watching a Caesium at an English Gov site. Was puzzled to watch the relative freq cycle day and night until we learned the UKGOV site room at nit and day different temperature control settings. 1 UK Cs vs. our 3 Cs and ulta pure flywheel.
Lester B Veenstra K1YCM MØYCM W8YCM 6Y6Y (Reformed USNSG CTM1) les...@veenstras.com 452 Stable Ln Keyser WV 26726 USA GPS: 39.336826 N 78.982287 W (Google) GPS: 39.33682 N 78.9823741 W (GPSDO) Telephones: Home: +1-304-289-6057 US cell +1-304-790-9192 Jamaica cell: +1-876-456-8898 -----Original Message----- From: Lux, Jim [mailto:j...@luxfamily.com] Sent: Monday, November 22, 2021 10:56 PM To: time-nuts@lists.febo.com Subject: [time-nuts] Re: Frequency Standard - Where Can I Get One. On 11/22/21 7:51 PM, Bill Notfaded wrote: > There's no substitute for a few good rubidiums. OCXO and Rb are > different. It's really hard to beat a really good GNSS diciplined Rb! > Extremely good holdover. We're timenuts after all right? Where's the fun > if you don't try them all? There isn't any silver bullet or perfect > solution but I've found with some good measurement and comparisons you too > can be in the search of better and better stability. Half the fun is > finding a better OCXO or finding a really stable Rb. Testing them all > against each other is part of the journey. Letting timelab run all night > every night. Flipping back and forth between graphs. For me it's a hobby > but I've gotten many many hours of great happiness from it. The first time > I got into 10 ^ -13 how can you explain what that's like? The huge digits > on an SR620 you can read from across the room. I guess it's different for > each of us but it's something we all share. > > Bill When you get to where you can see the air conditioning or heat in the room cycling on and off, with TCXO and OXCOs.. "What's that bump at 1000 seconds?" _______________________________________________ time-nuts mailing list -- time-nuts@lists.febo.com -- To unsubscribe send an email to time-nuts-le...@lists.febo.com To unsubscribe, go to and follow the instructions there. _______________________________________________ time-nuts mailing list -- time-nuts@lists.febo.com -- To unsubscribe send an email to time-nuts-le...@lists.febo.com To unsubscribe, go to and follow the instructions there.