[time-nuts] Equipment question: OCXO versus GPSDO + XTAL
Bob Camp
lists at rtty.us
Sun Mar 20 00:20:23 UTC 2011
Hi
The 3801 is a pretty good box. In some cases I have seen them take months to achieve full stability. The "leave powered on at all times" rule definitely applies to them.
Bob
On Mar 19, 2011, at 6:22 PM, Perry Sandeen wrote:
> Wrote: It seems like everybody is telling me "go for the cheaper, add the OCXO later on if you need it" - but that's not what I'm after. What I'd really like to do is to make up my mind based on educated opinions on this list whether the built-in OXCO option offers any advantage at all compared to standard clock + good external reference.
>
> Hi Wolfgang,
>
> I believe your best option is to buy the re-furbished HP Z3801A/58503A GPS Frequency/Time Receiver 10 MHz for $500 on epay.
>
> It’s plug and play. Everything is included. Turn on and forget. The 10MHz oscillator is directly gps stabilized. It’s in a case. No mess with a switching power supply that’s not in a box. True there is no Lady Heather but it comes with its own sat monitoring software. His site says he’s sold 20 and has four left.
>
> The only reason I don’t have one now is I don’t have one now is that dithering Obamymammie’s change have left me with just that: change.
>
> Regards,
>
> Perrier
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