The SiloTest unit was a very very early BVA. But that said the actual adev and pn performance of that BVA should be the deciding factor as to ultimate value.
Thomas Knox > Date: Thu, 29 Aug 2013 22:29:40 +0200 > From: [email protected] > To: [email protected] > Subject: Re: [time-nuts] [time nuts] B.V.A. 8600 for sale > > ...yet it has to be understood why (as stated here 3 months ago) a BVA > from silosurplus on the auction site was worth at most 150 or 200 USD > (from 4500) and now a BVA is worth almost every cent of its 3000 > USD... > > On Thu, Aug 29, 2013 at 10:08 PM, Mark Spencer <[email protected]> wrote: > > During my efforts to find a standard that could serve as reference to help > > characterize my FTS1050, I went thru a succession of 10811's, several stand > > alone datum 1000's from the usual auction site, an HP105B, a wenzel from > > the usual auction site etc and none of them came even close to the adev > > performance at tau's of 40 to over 10,000 seconds of the BVA 8600 I > > purchased. (I can't measure phase noise or adev tau's less than approx 40 > > seconds.) The only other reference I've been able to acquire that is close > > to being in the same league as the BVA8600 and the FTS 1050 is a single > > Z3805 at certain tau's (out of approx half a dozen assorted GPSDO's.) > > > > My BVA wasn't inexpensive either but it performed as I expected. I also > > suspect it out performs the FTS1050 at shorter taus's. > > > > I also considered buying an HP5065 as an alternative but figured there was > > less to go wrong with a stand alone OCXO. > > > > I figure I got lucky when I acquired my FTS1050 and one of my Z3805's. I > > don't believe luck played much of a role in my BVA purchase. > > > > Your experience may vary. > > > > Regards Mark S > > Sent from my iPad > > _______________________________________________ > > 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.
