[time-nuts] new member with questions NTP, PRS, GPS, ocxo
docdailey at gmail.com
Sat Aug 18 02:35:52 UTC 2012
On a budget get a thunderbolt... If you want plug and play get a Jackson labs Fury. I have my fury hooked up to small Ubuntu box and have a nice ntp server as well as a great reference. Also, read, read, and read some more.
Sent from my iPad
On Aug 17, 2012, at 8:12 PM, Frank Hughes <hp_ciscovss at yahoo.com> wrote:
> New guy here, seeking Oracular pronouncements for my time/frequency quest!
> I recently acquired an HP 3336B, and subsequently converted it to a "C" model,
> as all the HAM and related equipment here is 50 ohms.
> The 3336 has "Option 004: High stability frequency reference".
> Operates at about 6Mhz....
> I am trying to decide whether to fix the 3336 ocxo, or just use the other working
> ocxo in the Agilent E8285A Spectrum Analyzer.
> It would really be fun to provision some type of Primary Reference and accurate 10Mhz source, and distribute the signal.
> I found a bunch of them on ebay, but they are almost all in China....what is going on here?
> Anyone ever had a good buying experience for this type of equipent from China?
> While decending through this particular worm-hole, I realized that it would be great to have
> my own NTP server via GPS too.
> Found a bunch of GPS receivers w/ Ethernet and NTP server features, but none w/ ocxo, only vcxo and tcxo.
> Possibly it does not matter if the reference is the Stratum-1 GPS?
> Not sure what I am looking at here (obviously)
> I only know a little about these topics, as where I work we have an Agilent_5071A, paired with a
> Symmetricom GPS PRS system.
> But as we have moved out of the old TDM and ATM technologies, we no longer need a Stratum-1 source,
> (and the 5071A has used up all it's Cesium anyway). But it was fun and I learned many things.
> So what I am trying to come up with now for home/shack is:
> - An NTP server for our LAN
> - A very high quality 10Mhz source to distribute to all the HP and Agilent equipment here.
> I have read enough forums to become dizzy, and would be glad to buy an HP Z3815A, or
> an HP Z3816A or an HP Z3801A or...
> I even found an HP 55300A, but w/o the shelf it is useless,
> (100 edge connector pinouts to decipher and wire manually???)
> Advice much appreciated!
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