[time-nuts] A good GPS-Receiver with 1PPS output...

[Bob kb8tq]

Hi

For the same money, you could get one of these:

http://www.ebay.com/itm/152340314423?_trksid=p2057872.m2749.l2649&ssPageName=STRK%3AMEBIDX%3AIT <http://www.ebay.com/itm/152340314423?_trksid=p2057872.m2749.l2649&ssPageName=STRK:MEBIDX:IT>

Then locking up another oscillator is just a simple phase locked loop. 

The gotcha is that none of the modules on the market actually have a “stable” 1 PPS. To get that you do a GPSDO. 
The GPS constellation it’s self is what creates the (short term) instability. If your OCXO closely follows the GPS signal,
it will be all over the place. There is lots of information about this in the archives. 

Bob

> On May 10, 2017, at 3:29 AM, Stephen Tompsett <stephen at tompsett.net> wrote:
> 
> How about ebay item 251785217093 ?
> 
> 
> 
> On 09/05/2017 20:52, Ulf Kylenfall via time-nuts wrote:
>> 
>> Gentlemen.
>> I am sure this has been asked before...
>> I am looking to purchase a GPS receiver modulethat supplies a good/stable 1PPS outputwith as little (internally) generated jitter as possible.
>> PCB-style is OK. It is to be usedfor GPS-locking a HP 105B in aseparate box.
>> Miniaturization not necessary at all.
>> Can someone suggest a suitable product(eBay ?)
>> BR
>> Ulf KylenfallSM6GXV
>> 
>> 
>> 
>> 
>> 
>> 
>> 
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> 
> -- 
> Stephen Tompsett
> 
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