Hello,

 

I would like to design and build a microcontroller based GPSDO. And I have a 
couple of questions some of you may be able to answer.

 

 

1.         I am going to use Trimble SMT GPS timing module but I'm curious. 
Does a GPS timing receiver produce a more precise 1 PPS output than a standard 
GPS tracking receiver in a static location? Or does it just produce a 1 PPS 
signal that is more accurate to GPS time? 

 

 

2.         I have seen many DOCOXs' listed on eBay produced by Morion Inc St 
Petersburg Russia. This includes models MV89 and MV180 with manufacture dates 
in 2008. All of the Ox's' were removed from equipment. I don't know anything 
about Morion's reputation. The specifications are very good, but do they live 
up to their data sheet, are they reliable and stable? 

 

What DOCXOs' would you recommend? 

 

Thanks in advance

 

Don O'Connor
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