Hi George, What are you asking for a Thunderbolt?
Jamie --- George <[EMAIL PROTECTED]> wrote: > John Miles wrote: > > As unhappy as you may be to hear it, Mike, you're > done upgrading, at least > > for now. Thunderbolts are about as good as they > get. Yes, some units like > > the HP and Jackson Labs clocks can do somewhat > better, and with > > entirely-different equipment, you might be able to > tell. Not with the 49xP > > analyzer, though. > > > > Your 497P is limited by its 1-Hz counter LSD, not > the Thunderbolt. 1E-10 > > accuracy from the Thunderbolt is 1 Hz at 10 GHz, > and that's about what the > > Thunderbolt does at tau=1s, even though the spec > sheet shows it closer to > > 1E-9 at t=1s. > > > > That means that there is no conceivable benefit to > further upgrading the 10 > > MHz reference beyond where you already are. I > know, I know, that's the > > worst news of all. :) > > > > Focus on giving the Thunderbolt the best signal > you can, via antenna > > mounting. > > > > -- john, KE5FX > > > > > And, if anyone out there still need a Thunderbolt > (for less than the > ebay price), I have a few more OEM units available. > > 73, > > geo - n4ua > > _______________________________________________ > 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. > ____________________________________________________________________________________ Never miss a thing. Make Yahoo your home page. http://www.yahoo.com/r/hs _______________________________________________ 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.
