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

[Scott Armstrong]

Hi Guys,

Found a little info..

The main board/receiver used in this unit is also used in the Trimble
Placer 100 and RefTek 73A.
Hopefully, these two leads may develop into some useful info.

Thanks,
Scott AA5AM

On Tue, May 23, 2017 at 6:59 AM, Bob kb8tq  wrote:

> Hi
>
> Yet again another quick read mistake :)
>
> Bobb
>
> > On May 23, 2017, at 7:35 AM, Tim Shoppa  wrote:
> >
> > Bob, that was 16.368MHz, an extremely common crystal to find in the first
> > couple generations of GPS receivers. 16.368 MHz is 16 times the 1.023 MHz
> > C/A GPS signal chipping rate; multiplied by 96.25 to get the 1575.42 MHz
> L1
> > frequency and multiplied by 75 to get the 1227.60 MHz L2 frequency.
> >
> > Tim N3QE
> >
> > On Tue, May 23, 2017 at 7:24 AM, Bob kb8tq  wrote:
> >
> >> Hi
> >>
> >> If you guess that the design started in 90 and ran through 93~94 that
> >> is a very early unit for Trimble. 16.384 MHz suggests some sort of
> telecom
> >> or data bus application.
> >>
> >> Bob
> >>
> >>> On May 22, 2017, at 11:48 AM, Scott Armstrong  wrote:
> >>>
> >>> 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
> >>> '93.
> >>>
> >>> Maybe some of the assembly numbers will be recognizable if they are
> used
> >> in
> >>> other units.
> >>>
> >>> Thanks,
> >>> Scott AA5AM
> >>>
> >>>
> >>> On Sat, May 20, 2017 at 12:33 AM, Bill Hawkins 
> >> 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  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 
> 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
> >>
> 
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>  and follow the instructions there.
> 
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> >>> and follow the instructions there.
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Re: [time-nuts] Looking for info on Trimble 16634-10

[Bob kb8tq]

Hi

Yet again another quick read mistake :)

Bobb

> On May 23, 2017, at 7:35 AM, Tim Shoppa  wrote:
> 
> Bob, that was 16.368MHz, an extremely common crystal to find in the first
> couple generations of GPS receivers. 16.368 MHz is 16 times the 1.023 MHz
> C/A GPS signal chipping rate; multiplied by 96.25 to get the 1575.42 MHz L1
> frequency and multiplied by 75 to get the 1227.60 MHz L2 frequency.
> 
> Tim N3QE
> 
> On Tue, May 23, 2017 at 7:24 AM, Bob kb8tq  wrote:
> 
>> Hi
>> 
>> If you guess that the design started in 90 and ran through 93~94 that
>> is a very early unit for Trimble. 16.384 MHz suggests some sort of telecom
>> or data bus application.
>> 
>> Bob
>> 
>>> On May 22, 2017, at 11:48 AM, Scott Armstrong  wrote:
>>> 
>>> 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
>>> '93.
>>> 
>>> Maybe some of the assembly numbers will be recognizable if they are used
>> in
>>> other units.
>>> 
>>> Thanks,
>>> Scott AA5AM
>>> 
>>> 
>>> On Sat, May 20, 2017 at 12:33 AM, Bill Hawkins 
>> 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  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  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@febo.com
 To unsubscribe, go to https://www.febo.com/cgi-bin/
 mailman/listinfo/time-nuts
 and follow the instructions there.
 
>>> ___
>>> time-nuts mailing list -- time-nuts@febo.com
>>> To unsubscribe, go to https://www.febo.com/cgi-bin/
>> mailman/listinfo/time-nuts
>>> and follow the instructions there.
>> 
>> ___
>> time-nuts mailing list -- time-nuts@febo.com
>> To unsubscribe, go to https://www.febo.com/cgi-bin/
>> mailman/listinfo/time-nuts
>> and follow the instructions there.
>> 
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Re: [time-nuts] Looking for info on Trimble 16634-10

[Tim Shoppa]

Bob, that was 16.368MHz, an extremely common crystal to find in the first
couple generations of GPS receivers. 16.368 MHz is 16 times the 1.023 MHz
C/A GPS signal chipping rate; multiplied by 96.25 to get the 1575.42 MHz L1
frequency and multiplied by 75 to get the 1227.60 MHz L2 frequency.

Tim N3QE

On Tue, May 23, 2017 at 7:24 AM, Bob kb8tq  wrote:

> Hi
>
> If you guess that the design started in 90 and ran through 93~94 that
> is a very early unit for Trimble. 16.384 MHz suggests some sort of telecom
> or data bus application.
>
> Bob
>
> > On May 22, 2017, at 11:48 AM, Scott Armstrong  wrote:
> >
> > 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
> > '93.
> >
> > Maybe some of the assembly numbers will be recognizable if they are used
> in
> > other units.
> >
> > Thanks,
> > Scott AA5AM
> >
> >
> > On Sat, May 20, 2017 at 12:33 AM, Bill Hawkins 
> 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  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  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@febo.com
> >> To unsubscribe, go to https://www.febo.com/cgi-bin/
> >> mailman/listinfo/time-nuts
> >> and follow the instructions there.
> >>
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> > time-nuts mailing list -- time-nuts@febo.com
> > To unsubscribe, go to https://www.febo.com/cgi-bin/
> mailman/listinfo/time-nuts
> > and follow the instructions there.
>
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> mailman/listinfo/time-nuts
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Re: [time-nuts] Looking for info on Trimble 16634-10

[Bob kb8tq]

Hi

If you guess that the design started in 90 and ran through 93~94 that
is a very early unit for Trimble. 16.384 MHz suggests some sort of telecom
or data bus application. 

Bob

> On May 22, 2017, at 11:48 AM, Scott Armstrong  wrote:
> 
> 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
> '93.
> 
> Maybe some of the assembly numbers will be recognizable if they are used in
> other units.
> 
> Thanks,
> Scott AA5AM
> 
> 
> On Sat, May 20, 2017 at 12:33 AM, Bill Hawkins  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  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  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@febo.com
>> To unsubscribe, go to https://www.febo.com/cgi-bin/
>> mailman/listinfo/time-nuts
>> and follow the instructions there.
>> 
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Re: [time-nuts] Looking for info on Trimble 16634-10

[Scott Armstrong]

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
'93.

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

Thanks,
Scott AA5AM


On Sat, May 20, 2017 at 12:33 AM, Bill Hawkins  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  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  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
> >>
>
> ___
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> To unsubscribe, go to https://www.febo.com/cgi-bin/
> mailman/listinfo/time-nuts
> and follow the instructions there.
>
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Re: [time-nuts] Looking for info on Trimble 16634-10

[Bill Hawkins]

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  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  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
>> 

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

[Bob Bownes]

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  wrote:
> 
> Hi
> 
> 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  wrote:
>> 
>> Hello all,
>> 
>> 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
>> 
>> Does anyone have any pin out information, specs, etc.?
>> 
>> A picture of the unit can bee seen on ebay at
>> 
>> http://www.ebay.com/itm/TRIMBLE-NAVIGATION-GPS-UNIT-16634-10-/361934484802?nma=true=8bBNGShIPf%252FvJpucfMDlEGXDrwI%253D_cvip=true=nc&_trksid=p2047675.l2557
>> 
>> 
>> Thanks in advance,
>> 
>> Scott AA5AM
>> ___
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>> and follow the instructions there.
> 
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Re: [time-nuts] Looking for info on Trimble 16634-10

[Bob kb8tq]

Hi

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  wrote:
> 
> Hello all,
> 
> 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
> 
> Does anyone have any pin out information, specs, etc.?
> 
> A picture of the unit can bee seen on ebay at
> 
> http://www.ebay.com/itm/TRIMBLE-NAVIGATION-GPS-UNIT-16634-10-/361934484802?nma=true=8bBNGShIPf%252FvJpucfMDlEGXDrwI%253D_cvip=true=nc&_trksid=p2047675.l2557
> 
> 
> Thanks in advance,
> 
> Scott AA5AM
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[time-nuts] Looking for info on Trimble 16634-10

[Scott Armstrong]

Hello all,

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

Does anyone have any pin out information, specs, etc.?

A picture of the unit can bee seen on ebay at

http://www.ebay.com/itm/TRIMBLE-NAVIGATION-GPS-UNIT-16634-10-/361934484802?nma=true=8bBNGShIPf%252FvJpucfMDlEGXDrwI%253D_cvip=true=nc&_trksid=p2047675.l2557


Thanks in advance,

Scott AA5AM
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