[time-nuts] Modifying a Z3816A

Tom Van Baak tvb at leapsecond.com
Mon Jun 19 13:09:40 EDT 2006

> As I mentioned in a previous message, I have an HP 3816A GPS timing
> receiver. I was interested in seeing if I could find a way to convert
> the 19.6608 outputs into being extra 10 MHz outputs.
> Well I hacked mine and made a mod that seems to work for me. I'm not
> sure if this will work for others, as I found some factory installed
> rework wires right in the area where I made the changes. If someone
> wants to attempt what I did and doesn't find the same factory jumpers,
> it might require more snooping like I did.
> Anyway, if anyone wants to look at what I did and some notes on what I
> learned about the main board, here is a link to a write-up I did...
> http://www.xertech.net/Projects/Z3816/3816_mod.html


That's a nice mod and great web page. Thanks for
posting it for us. You might also want to send that
info to K8CU (realhamradio.com).


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