[time-nuts] Looking for info on Trimble 16634-10

Scott Armstrong aa5am at vntx.net
Mon May 22 11:48:01 EDT 2017

Hi Guys,

I popped open the case.  Not too crowded in side. The case is an extruded
aluminum case that has the back endplate  welded on.

There are 4 board assemblies in the case.

*Interface board that connects the 22 pin connector to the other two boards.
* Power supply board. (12016-00). Main component looks to be a DC-DC
converter made by Computer Products.
* Main board (14636-)  This board has a 16.368 MHz osc made by NDK.
* A daughter board (14789E) which is the receiver and is attached to the
main board.

Date codes I see are 89, 91, 92 and 93  so unit was probably assembled in

Maybe some of the assembly numbers will be recognizable if they are used in
other units.

Scott AA5AM

On Sat, May 20, 2017 at 12:33 AM, Bill Hawkins <bill.iaxs at pobox.com> wrote:

> FWIW, that looks like aviation equipment (gov't or civil), with a
> locking connector.
> That stuff is designed for minimum size and weight. You might find the
> inside of the box quite cramped.
> Buying aviation parts is even more expensive than buying boat parts.
> Bill Hawkins
> -----Original Message-----
> From: time-nuts on behalf Of Bob Bownes
> Sent: Friday, May 19, 2017 10:48 PM
> Pretty sure that connector is an off the shelf Amphenol part. If you
> can't find it, however, you can replace it with an off the shelf one
> that will fit in the same hole. (If your lucky, you can even re-use the
> pins.)
> The replacement will run you about $30-40 for the pair, chassis and
> plug. Check Mouser, etc.
> > On May 19, 2017, at 23:21, Bob kb8tq <kb8tq at n1k.org> wrote:
> >
> > The mating side of that 22 pin connector isn't going to be cheap. It
> > looks like something out of their government systems group back in the
> late 90's. If it is, you may have a hard time getting info on it.
> > I'd pop it open and see what's inside. At least that will give you an
> > idea if it's 20 years old or 5 years old. Knowing the era should help
> in the search for information.
> >
> > Bob
> >
> >> On May 19, 2017, at 10:21 PM, Scott Armstrong <aa5am at vntx.net> wrote:
> >>
> >> I acquired a Trimble 16634-10 receiver. A search of the web has
> >> turned up nothing so far.
> >> The unit is in a steel box built like a tank. SMA connector for
> >> antenna input and a 22 pin circular connector for the I/O and power
> >>
> _______________________________________________
> time-nuts mailing list -- time-nuts at febo.com
> To unsubscribe, go to https://www.febo.com/cgi-bin/
> mailman/listinfo/time-nuts
> and follow the instructions there.

More information about the time-nuts mailing list