No experience with that model but much information is available on line.  I 
bought the BG7TBL version and a distribution amplifier.  The Lady Heather 
software said it was accurate over several days to the 12th power...way beyond 
what I need.  I use the output for my HP frequency  counter and the K3.  Way 
beyond what we need but fun to play with.  If it doesn’t come with a antenna 
understand that the antenna has a powered LNA and will need power over the feed 
line, provided in the model I purchased.  These eBay versions vary due to the 
fact that they use salvaged parts so depending when it is manufactured it will 
have a different OCXO for GPS RX installed.  Since accuracy is way beyond what 
I need (I don’t run a calibration lab).  Fun stuff...Homework assignments is 
the GPS frequency traceable to the NBS.  :)

Pictures here:

https://www.flickr.com/photos/ak5x/

73,
Bill-AK5X




> On Dec 20, 2015, at 12:42 AM, Mike VE3YF <[email protected]> wrote:
> 
> Hi:
> 
> Has anyone used or had experience using the K3EXREF with this item as the 
> 10Mhz source:
> 
> Trimble GPS Receiver GPSDO 10MHz 1PPS GPS Disciplined Clock with RS232 Port
> 
> http://www.ebay.com/itm/Trimble-GPS-Receiver-GPSDO-10MHz-1PPS-GPS-Disciplined-Clock-with-rs232-port-/252162780444?hash=item3ab612ad1c:g:udkAAOSwhcJWQCPM
> 
> It looks like it would be a nice 10Mhz source for the K3WXREF and the K3, but 
> unfamiliar with this product. Welcome all comments good or bad.
> 
> 
> 73 De Mike
> VE3YF
> 
> http://www.ve3yf.com
> [http://www.ve3yf.com/]
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