[time-nuts] Rohde & Schwarz GPSDO

Bob Camp kb8tq at n1k.org
Thu Oct 8 21:42:22 UTC 2015


Hi

That’s a mighty big looking pcb mount lithium battery on the board. Hopefully 
it’s there simply to take care of temporary storage. 

Bob

> On Oct 8, 2015, at 9:29 AM, Azelio Boriani <azelio.boriani at gmail.com> wrote:
> 
> Here are 2 pictures of the 1U unit and the card.
> 
> On Thu, Oct 8, 2015 at 1:05 PM, Bob Camp <kb8tq at n1k.org> wrote:
>> Hi
>> 
>> One thing you can expect - some sort of issue with the GPS rollover issue.
>> Can it be fixed on this or that unit? That’s going to be highly variable model to
>> model. Not much of an issue for a frequency standard, but a pain for NTP.
>> 
>> Bob
>> 
>>> On Oct 7, 2015, at 11:21 PM, Tom Knox <actast at hotmail.com> wrote:
>>> 
>>> What is interesting is I spent a little time on the Manufactures Web Site and could find no AD or PN specs.
>>> So even if you can find the down converter antenna, you have no idea how well it will perform.
>>> I imagine it has a something like an Oscilloquartz 8663. No doubt as with almost all RS products it will be very high build quality.
>>> Cheers;
>>> Thomas Knox
>>> 
>>> 
>>> 
>>>> From: rbenward at verizon.net
>>>> To: time-nuts at febo.com
>>>> Date: Wed, 7 Oct 2015 22:41:11 -0400
>>>> Subject: Re: [time-nuts] Rohde & Schwarz GPSDO
>>>> 
>>>> That's why you can run 300meters of RG-58!  This is the "missing"
>>>> antenna/converter unit.
>>>> 
>>>> https://www.meinbergglobal.com/english/products/gps-antenna-converter.htm
>>>> 
>>>> Here is one, this time with the antenna:
>>>> http://www.ebay.com/itm/Meinberg-ED170MP-GPS-Satellite-Disciplined-Atomic-Cl
>>>> ock-10MHz-Oscillator-Antenna-/281560964740?hash=item418e575e84
>>>> 
>>>> Bob
>>>> 
>>>>>>> -----Original Message-----
>>>>>>> From: time-nuts [mailto:time-nuts-bounces at febo.com] On Behalf Of Arthur
>>>>>>> Dent
>>>>>>> Sent: Wednesday, October 07, 2015 7:46 AM
>>>>>>> To: time-nuts at febo.com
>>>>>>> Subject: [time-nuts] Rohde & Schwarz GPSDO
>>>>>>> 
>>>>>>> I believe that like a lot of the Meinberg receivers that this uses a
>>>> down
>>>>>>> converter to give an IF frequency of
>>>>>>> 35.4 MHz. If you don't have the converter that apparently isn't included
>>>> with
>>>>>>> the receiver you have a $300 paperweight.
>>>>>>> You might want to check with the seller before bidding.
>>>>>>> 
>>>>>>> -Arthur
>>>>>>> _______________________________________________
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>>>> 
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> <GPS167.jpg><GPS167Card.jpg>_______________________________________________
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