Re: [time-nuts] TAPR Oncore M12+ kit

[Chris Albertson]

On this product people are going to want holes drilled and I think a "D"
shape hole for the DB type connector.   The holes would allow easy clamping
but in a two step operation.If I were making these I'd first clamp the
stock over a pair of 123 blocks, mill the holes, then after I hade a batch
of these made,  hole the holes to hold the part a fixture and then mill the
edges.

But that said, I could make a pair of these by hand with hack saw, file and
drill press in about 15 minutes.



On Fri, Apr 28, 2017 at 1:41 PM, Jerry Hancock  wrote:

>
> Generally, the way I mill plates such as these is I surface a piece of
> scrap and then glue (using superglue) the stock down onto the scrap.  I can
> then machine around the edges without worrying about clamping.  With
> pockets though, the torque even when ramping down might break the part
> loose.
>

-- 

Chris Albertson
Redondo Beach, California
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[time-nuts] TAPR Oncore M12+ kit

[Mark Sims]

I'd say screw the gasket / inset crud and go with flat stock or pcb material 
(my Star-4 GPSDO came in a very similar housing and uses PCB endplates.   It's 
much easier and cheaper.  I doubt that very many people will be installing 
these outdoors, etc and need the fancy pants end plates and gaskets..

Two useful things to add to the stock hole pattern is a hole for a 2.1 mm DC 
barrel connector jack and a 1PPS output (but I don't think there is room, so 
get the 1PPS off of the D-sub, maybe with an SMA for the 1PPS, both would fit 
OK?  Perhaps replace the antenna BNC with an SMA?...  my units is elsewhere at 
the moment so I can't do any measurinh).  

On my GPS, I disconnected the power wires from the D-sub and hooked them to a 
2.1 mm jack.  It's much easier than building the adapter "Y" cable.  You use a 
null modem cable or adapter to connect to a PC.
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[time-nuts] TAPR Oncore M12+ kit

[Mark Sims]

OSHPARK has made several boards for me with cutouts.   You put the cutout on 
the milling layer and they recommend putting the word "CUTOUT" within the 
cutout area.   It's been a few years since I had any made that way... best to 
ask them.  Also inquire about the milling bit radius... you can't mill a square 
corner.

---

> The fab house for OSHPark won't make oval holes.
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Re: [time-nuts] TAPR Oncore M12+ kit

[Art Sepin]

There is a brief description of the parts included in the kit here:
http://www.synergy-gps.com/index.php?option=com_content=view=54=73
It includes end plate dimensions and hole locations, etc. We have added 
paragraph 5 to the document as follows. It will be on the web site tomorrow.

Art


5. The original SynPaQ/E motherboards supplied with the Motorola M12+ based 
TAPR GPS Kit were designed to accept the larger form factor Motorola VP, GT+ 
and UT+ Oncore Series GPS receivers. The mounting holes for the VP, GT+ and UT+ 
receivers, and the required 5 VDC supply, are already part of the motherboard. 
Simply add the larger 10 pin header and supply the slightly longer 440 x 0.250 
receiver mounting standoffs. According to Motorola GT+\UT+ TRM0003 User’s 
Guide, the mating Power/Data Connector is a 10 pin (2x5) on 2.54 Centers - AMP 
#104326-06 (Samtec has equivalent).




-Original Message-
From: time-nuts [mailto:time-nuts-boun...@febo.com] On Behalf Of Jerry Hancock
Sent: Friday, April 28, 2017 12:20 PM
To: Discussion of precise time and frequency measurement <time-nuts@febo.com>
Subject: Re: [time-nuts] TAPR Oncore M12+ kit

Is there a way I can help with this project?  If I had the specs to look at, 
maybe I would be able to run off a bunch of plates.  If we could batch them up 
I would do them for the cost of shipping.

Does anyone have a dimensioned print, picture, cad drawing of the plates?



> On Apr 28, 2017, at 11:33 AM, jimlux <jim...@earthlink.net> wrote:
> 
> On 4/28/17 10:09 AM, Bob kb8tq wrote:
>> Hi
>> 
>> If you go with the PCB approach, the nice thing is getting stuff like 
>> the slot for the D connector done at the PCB fab. That way you have 
>> something that drops right in and works. The downside is that not 
>> every pcb house is happy doing that sort of “CNC work”.  I have 
>> absolutely no idea why. They all have to run some sort of gear to cut 
>> the boards apart. Cutting slots or weird holes with it is pretty 
>> trivial.
>> 
>> Bob
> 
> what about Front Panel Express?  They're in the whole business of small run 
> panels.  Not the cheapest place around, and you use their design tool, but 
> I've been happy with the quality of their work.
> 
> 
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Re: [time-nuts] TAPR Oncore M12+ kit

[Larry McDavid]

I earlier sent Jerry a copy of the pdf that contains the drawings of the 
two end plates and we have corresponded briefly about his process.


I have told Steve WB0DBS I will buy two sets of the two end plates. Yes, 
I could fabricate these but the real ones are die cast and have a 
sealing gasket and presumable match the housing that came with the kit.


And, I could machine the holes in my own metal shop but if Jerry will 
agree to provide a CNS setup that does all the holes then that makes 
sense to me. We should make one purchase of the end plates and provide 
the lot to Jerry so he can do them all without needing to set up the CNC 
multiple times.


For myself, I don't think the "D" detail on the BNC hole is really 
necessary and it will require a small diameter end mill to profile on a 
CNC. The bulkhead connector provided has a soft gasket that itself 
inhibits rotation and if you are just careful when first installing the 
connector that should be sufficient with the "D" hole detail, making the 
fab easier and faster. The RS-232 9-pin hole detail can be profiled with 
a larger end mill safely and faster.


I am a retired ME and familiar with this CNC process. Believe me, it 
will be easier on Jerry and lots faster if we all buy the blank end 
plates and ask Jerry to put in the hole details. His is a generous offer!


Sure, there may (or, may not) be less expensive ways to get the end 
plates but this way gets it done for all of us at once and they match 
the original design.


Larry W6FUB


On 4/28/2017 1:50 PM, Jerry Hancock wrote:

I would mill them for the price of shipping just to help out.  It would take 
about 10 minutes of setup and machining for the front panel and maybe a little 
longer for the back.  I could do two dozen pretty quickly on a weekend 
afternoon.

I mill keyed BNC and DBx connectors all the time.




...

--
Best wishes,

Larry McDavid W6FUB
Anaheim, California  (SE of Los Angeles, near Disneyland)
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Re: [time-nuts] TAPR Oncore M12+ kit

[Bob kb8tq]

Hi


> On Apr 28, 2017, at 6:05 PM, Dave Mallery  wrote:
> 
> hi
> 
> i posted much earlier.  status: the M12 works wonderfully with lady heather
> v5 from mark sims.  mine has completed its 48 hour precision survey and is
> purring along.
> 
> so far, i have had trouble with the serial to usb converter i picked up.
> the one on my other pi3/Tbolt rig runs fine.
> 
> can anyone speak to the issues involved in attaching an oscillator?

If by “attaching an oscillator” you mean building a GPSDO, the simple approach 
still is
to get a Lucent KS box on eBay and run it.  There is massive information in the 
archives
about them. For a bit more money, there are a number of alternatives.

To do a GPSDO well ( = at least as well as a KS box) there’s more than a little 
fiddling and hardware involved. It certainly can be done and people have done 
it. 
Even finding a decent oscillator is a challenge, getting it all together takes 
some time.

If by “attaching an oscillator” you simply want to calibrate an oscillator you 
already 
have … that’s different. The easy approach is to trigger one channel of your 
oscilloscope
on the pps out of the GPS. Run the oscillator output into the other input. If 
you have reason
to believe it’s > 1 Hz off, you will need to set it with a counter first. 

Once it is set up, the drift of the oscillator output left or right on the 
screen shows you
the degree to which the oscillator is high or low in frequency. With a 
reasonable 
scope and a few hours to watch things, you can get very close on your 
adjustment.

Lots of fun !!

Bob


> 
> thanks
> 
> dave mallery, k5en
> 
> On Fri, Apr 28, 2017 at 12:19 PM, Jerry Hancock  wrote:
> 
>> Is there a way I can help with this project?  If I had the specs to look
>> at, maybe I would be able to run off a bunch of plates.  If we could batch
>> them up I would do them for the cost of shipping.
>> 
>> Does anyone have a dimensioned print, picture, cad drawing of the plates?
>> 
>> 
>> 
>>> On Apr 28, 2017, at 11:33 AM, jimlux  wrote:
>>> 
>>> On 4/28/17 10:09 AM, Bob kb8tq wrote:
 Hi
 
 If you go with the PCB approach, the nice thing is getting stuff like
 the slot for the D connector done at the PCB fab. That way you
 have something that drops right in and works. The downside is that
 not every pcb house is happy doing that sort of “CNC work”.  I
 have absolutely no idea why. They all have to run some sort of gear
 to cut the boards apart. Cutting slots or weird holes with it is pretty
 trivial.
 
 Bob
>>> 
>>> what about Front Panel Express?  They're in the whole business of small
>> run panels.  Not the cheapest place around, and you use their design tool,
>> but I've been happy with the quality of their work.
>>> 
>>> 
>>> ___
>>> time-nuts mailing list -- time-nuts@febo.com
>>> To unsubscribe, go to https://www.febo.com/cgi-bin/
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>>> and follow the instructions there.
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>> and follow the instructions there.
>> 
> 
> 
> 
> -- 
> Dave Mallery, K5EN (ubuntu linux 16-10)
> PO Box 15  Ophir,  OR  97464
> 
>  linux counter #64628 (since 1997)
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Re: [time-nuts] TAPR Oncore M12+ kit

[Van Horn, David]

Milling internally and externally to the perimeter of the board is a price 
adder, but is routinely done and not expensive.

I've done round PCBs with large, oddly shaped "round" holes in the middle, 
impossible to drill. 
I've done PCBs where the outer corners had to be milled to a specific radius.
I hold a patent on milling out a serpentine spring from the PCB material to 
support a magnetic read head.  (Saved us a ton in expenses for springs, 
brackets, screws and cables!)

Some of these low end shops may not actually have a mill, they may only have 
drills.  You sure wouldn’t want to try to mill with a PCB drill bit.

If they are objecting to milling, use a different shop.
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Re: [time-nuts] TAPR Oncore M12+ kit

[Dave Mallery]

hi

i posted much earlier.  status: the M12 works wonderfully with lady heather
v5 from mark sims.  mine has completed its 48 hour precision survey and is
purring along.

so far, i have had trouble with the serial to usb converter i picked up.
the one on my other pi3/Tbolt rig runs fine.

can anyone speak to the issues involved in attaching an oscillator?

thanks

dave mallery, k5en

On Fri, Apr 28, 2017 at 12:19 PM, Jerry Hancock  wrote:

> Is there a way I can help with this project?  If I had the specs to look
> at, maybe I would be able to run off a bunch of plates.  If we could batch
> them up I would do them for the cost of shipping.
>
> Does anyone have a dimensioned print, picture, cad drawing of the plates?
>
>
>
> > On Apr 28, 2017, at 11:33 AM, jimlux  wrote:
> >
> > On 4/28/17 10:09 AM, Bob kb8tq wrote:
> >> Hi
> >>
> >> If you go with the PCB approach, the nice thing is getting stuff like
> >> the slot for the D connector done at the PCB fab. That way you
> >> have something that drops right in and works. The downside is that
> >> not every pcb house is happy doing that sort of “CNC work”.  I
> >> have absolutely no idea why. They all have to run some sort of gear
> >> to cut the boards apart. Cutting slots or weird holes with it is pretty
> >> trivial.
> >>
> >> Bob
> >
> > what about Front Panel Express?  They're in the whole business of small
> run panels.  Not the cheapest place around, and you use their design tool,
> but I've been happy with the quality of their work.
> >
> >
> > ___
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> mailman/listinfo/time-nuts
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>



-- 
Dave Mallery, K5EN (ubuntu linux 16-10)
PO Box 15  Ophir,  OR  97464

  linux counter #64628 (since 1997)
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Re: [time-nuts] TAPR Oncore M12+ kit

[Bob kb8tq]

Hi

Well … keep in mind that my plan was to print the parts I need :)

It sounds like there are enough people interested to get an order going for a 
couple 
dozen sets. I’d guess more interest in a fully hogged out set than in the 
“drill it yourself”
approach. That assumes the cost does not go through the roof. The previously 
quoted cost puts the plates at roughly half the cost of the kit they mate up 
with. 

Bob

> On Apr 28, 2017, at 4:41 PM, Jerry Hancock  wrote:
> 
> do they need to be inset as in the drawing or will a flat piece of aluminum 
> work?
> 
> I have some .25 thick aluminum.  I could mill a pocket which would add to the 
> design and then mill the holes for the components.  That would take more 
> machine time is all.
> 
> Generally, the way I mill plates such as these is I surface a piece of scrap 
> and then glue (using superglue) the stock down onto the scrap.  I can then 
> machine around the edges without worrying about clamping.  With pockets 
> though, the torque even when ramping down might break the part loose.
> 
> How many plates are needed?
> 
> 
>> On Apr 28, 2017, at 1:13 PM, Bob kb8tq > > wrote:
>> 
>> Hi
>> 
>> The dimensions, including the holes that need to be CNC’d into the plates are
>> attached an earlier message in this thread. The main link is:
>> 
>> http://www.synergy-gps.com/index.php?option=com_content=view=54=73
>>  
>> 
>> 
>> The dimensions are at the bottom of:
>> 
>> http://www.synergy-gps.com/images/stories/pdf/tapr%20gps%20kit.pdf 
>> 
>> 
>> The one that is the bigger issue is the “front” that has the D hole and a 
>> connector 
>> for a normal 9 pin serial connector. 
>> 
>> Bob
>> 
>> 

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Re: [time-nuts] TAPR Oncore M12+ kit

[Jerry Hancock]

One other point, if you have the plates and just need them milled, that is 
pretty easy work.   I could make the model from the drawings and then just run 
them off.  The only challenge is that something always goes wrong no matter how 
careful I am so ideally, it would be best to be able to purchase the end plates 
separately. 



> On Apr 28, 2017, at 1:13 PM, Bob kb8tq  wrote:
> 
> Hi
> 
> The dimensions, including the holes that need to be CNC’d into the plates are
> attached an earlier message in this thread. The main link is:
> 
> http://www.synergy-gps.com/index.php?option=com_content=view=54=73
>  
> 
> 
> The dimensions are at the bottom of:
> 
> http://www.synergy-gps.com/images/stories/pdf/tapr%20gps%20kit.pdf 
> 
> 
> The one that is the bigger issue is the “front” that has the D hole and a 
> connector 
> for a normal 9 pin serial connector. 
> 
> Bob
> 
> 
> 
> 
>> On Apr 28, 2017, at 3:19 PM, Jerry Hancock > > wrote:
>> 
>> Is there a way I can help with this project?  If I had the specs to look at, 
>> maybe I would be able to run off a bunch of plates.  If we could batch them 
>> up I would do them for the cost of shipping.
>> 
>> Does anyone have a dimensioned print, picture, cad drawing of the plates?
>> 
>> 
>> 
>>> On Apr 28, 2017, at 11:33 AM, jimlux >> > wrote:
>>> 
>>> On 4/28/17 10:09 AM, Bob kb8tq wrote:
 Hi
 
 If you go with the PCB approach, the nice thing is getting stuff like
 the slot for the D connector done at the PCB fab. That way you
 have something that drops right in and works. The downside is that
 not every pcb house is happy doing that sort of “CNC work”.  I
 have absolutely no idea why. They all have to run some sort of gear
 to cut the boards apart. Cutting slots or weird holes with it is pretty
 trivial.
 
 Bob
>>> 
>>> what about Front Panel Express?  They're in the whole business of small run 
>>> panels.  Not the cheapest place around, and you use their design tool, but 
>>> I've been happy with the quality of their work.
>>> 
>>> 
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>> 
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Re: [time-nuts] TAPR Oncore M12+ kit

[Jerry Hancock]

I would mill them for the price of shipping just to help out.  It would take 
about 10 minutes of setup and machining for the front panel and maybe a little 
longer for the back.  I could do two dozen pretty quickly on a weekend 
afternoon.

I mill keyed BNC and DBx connectors all the time. 



> On Apr 28, 2017, at 1:46 PM, Bob kb8tq  wrote:
> 
> Hi
> 
> Well … keep in mind that my plan was to print the parts I need :)
> 
> It sounds like there are enough people interested to get an order going for a 
> couple 
> dozen sets. I’d guess more interest in a fully hogged out set than in the 
> “drill it yourself”
> approach. That assumes the cost does not go through the roof. The previously 
> quoted cost puts the plates at roughly half the cost of the kit they mate up 
> with. 
> 
> Bob
> 
>> On Apr 28, 2017, at 4:41 PM, Jerry Hancock > > wrote:
>> 
>> do they need to be inset as in the drawing or will a flat piece of aluminum 
>> work?
>> 
>> I have some .25 thick aluminum.  I could mill a pocket which would add to 
>> the design and then mill the holes for the components.  That would take more 
>> machine time is all.
>> 
>> Generally, the way I mill plates such as these is I surface a piece of scrap 
>> and then glue (using superglue) the stock down onto the scrap.  I can then 
>> machine around the edges without worrying about clamping.  With pockets 
>> though, the torque even when ramping down might break the part loose.
>> 
>> How many plates are needed?
>> 
>> 
>>> On Apr 28, 2017, at 1:13 PM, Bob kb8tq >> > wrote:
>>> 
>>> Hi
>>> 
>>> The dimensions, including the holes that need to be CNC’d into the plates 
>>> are
>>> attached an earlier message in this thread. The main link is:
>>> 
>>> http://www.synergy-gps.com/index.php?option=com_content=view=54=73
>>>  
>>> 
>>> 
>>> The dimensions are at the bottom of:
>>> 
>>> http://www.synergy-gps.com/images/stories/pdf/tapr%20gps%20kit.pdf 
>>> 
>>> 
>>> The one that is the bigger issue is the “front” that has the D hole and a 
>>> connector 
>>> for a normal 9 pin serial connector. 
>>> 
>>> Bob
>>> 
>>> 
> 

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Re: [time-nuts] TAPR Oncore M12+ kit

[Jerry Hancock]

do they need to be inset as in the drawing or will a flat piece of aluminum 
work?

I have some .25 thick aluminum.  I could mill a pocket which would add to the 
design and then mill the holes for the components.  That would take more 
machine time is all.

Generally, the way I mill plates such as these is I surface a piece of scrap 
and then glue (using superglue) the stock down onto the scrap.  I can then 
machine around the edges without worrying about clamping.  With pockets though, 
the torque even when ramping down might break the part loose.

How many plates are needed?


> On Apr 28, 2017, at 1:13 PM, Bob kb8tq  wrote:
> 
> Hi
> 
> The dimensions, including the holes that need to be CNC’d into the plates are
> attached an earlier message in this thread. The main link is:
> 
> http://www.synergy-gps.com/index.php?option=com_content=view=54=73
>  
> 
> 
> The dimensions are at the bottom of:
> 
> http://www.synergy-gps.com/images/stories/pdf/tapr%20gps%20kit.pdf 
> 
> 
> The one that is the bigger issue is the “front” that has the D hole and a 
> connector 
> for a normal 9 pin serial connector. 
> 
> Bob
> 
> 
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Re: [time-nuts] TAPR Oncore M12+ kit

[Bob kb8tq]

Hi

If you ever get a chance to visit a PCB fab it’s an interesting sort of 
process. No 
two of them are quite the same. The gear they have does impact what they can 
or can’t do. Every one I have ever visited has done routing on the boards. That
may be because it is a very common requirement on industrial boards. Essentially
they just swap out he drill bit for a routing bit and go with it. It’s not 
quite that simple, 
but almost. The big reason you don’t see it done on the low end boards is that 
it takes
time. The machine isn’t a cheap item so in this case time is money. It’s the 
same 
reason a “real” fab will hit you with a charge for the number of holes you want 
on the
board. Same basic issue - time on the machine. 

Bob

> On Apr 28, 2017, at 2:31 PM, Bob Stewart <b...@evoria.net> wrote:
> 
> Hi Bob,
> It may be because the process of cutting the boards apart is not part of the 
> board milling process.  Yes, cutting holes in boards for through-hole parts 
> is part of the business - round holes.  The fab house for OSHPark won't make 
> oval holes.  They won't overlap two holes, either, nor make square notches.  
> This is only a guess, but I'd say that this is because they use actual drill 
> bits to make those holes, rather than a laser.  Drill bits are expensive, and 
> it takes a lot of time to change a drill bit when you've got hundreds of 
> boards to mill.  It's not something I would want to do, either, without a 
> serious penalty for the customer for a broken bit due to odd shaped holes and 
> missed deadlines.
> 
> And OSHPark seems to use different fab houses for the small runs vs the large 
> (10+) runs.  With the small runs, the boards are connected to each other by 
> small tabs.  Often small boards arrive still tabbed together.  I don't know 
> whether they route the distance between these tabs, or use a laser.  On the 
> larger runs, there are no tabs, and the board edges are smooth, as if they 
> were cut apart in one single operation not part of the milling process.
> 
> NB, I don't work for a fab house, nor have I ever toured one.
> 
> Bob 
> 
> 
> 
>  From: Bob kb8tq <kb...@n1k.org>
> To: Discussion of precise time and frequency measurement <time-nuts@febo.com> 
> Sent: Friday, April 28, 2017 1:06 PM
> Subject: Re: [time-nuts] TAPR Oncore M12+ kit
> 
> Hi
> 
> If you go with the PCB approach, the nice thing is getting stuff like
> the slot for the D connector done at the PCB fab. That way you 
> have something that drops right in and works. The downside is that 
> not every pcb house is happy doing that sort of “CNC work”.  I 
> have absolutely no idea why. They all have to run some sort of gear
> to cut the boards apart. Cutting slots or weird holes with it is pretty
> trivial. 
> 
> Bob
> 
> 
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Re: [time-nuts] TAPR Oncore M12+ kit

[Bob kb8tq]

Hi

The dimensions, including the holes that need to be CNC’d into the plates are
attached an earlier message in this thread. The main link is:

http://www.synergy-gps.com/index.php?option=com_content=view=54=73
 


The dimensions are at the bottom of:

http://www.synergy-gps.com/images/stories/pdf/tapr%20gps%20kit.pdf 


The one that is the bigger issue is the “front” that has the D hole and a 
connector 
for a normal 9 pin serial connector. 

Bob




> On Apr 28, 2017, at 3:19 PM, Jerry Hancock  wrote:
> 
> Is there a way I can help with this project?  If I had the specs to look at, 
> maybe I would be able to run off a bunch of plates.  If we could batch them 
> up I would do them for the cost of shipping.
> 
> Does anyone have a dimensioned print, picture, cad drawing of the plates?
> 
> 
> 
>> On Apr 28, 2017, at 11:33 AM, jimlux  wrote:
>> 
>> On 4/28/17 10:09 AM, Bob kb8tq wrote:
>>> Hi
>>> 
>>> If you go with the PCB approach, the nice thing is getting stuff like
>>> the slot for the D connector done at the PCB fab. That way you
>>> have something that drops right in and works. The downside is that
>>> not every pcb house is happy doing that sort of “CNC work”.  I
>>> have absolutely no idea why. They all have to run some sort of gear
>>> to cut the boards apart. Cutting slots or weird holes with it is pretty
>>> trivial.
>>> 
>>> Bob
>> 
>> what about Front Panel Express?  They're in the whole business of small run 
>> panels.  Not the cheapest place around, and you use their design tool, but 
>> I've been happy with the quality of their work.
>> 
>> 
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Re: [time-nuts] TAPR Oncore M12+ kit

[Jerry Hancock]

Is there a way I can help with this project?  If I had the specs to look at, 
maybe I would be able to run off a bunch of plates.  If we could batch them up 
I would do them for the cost of shipping.

Does anyone have a dimensioned print, picture, cad drawing of the plates?



> On Apr 28, 2017, at 11:33 AM, jimlux  wrote:
> 
> On 4/28/17 10:09 AM, Bob kb8tq wrote:
>> Hi
>> 
>> If you go with the PCB approach, the nice thing is getting stuff like
>> the slot for the D connector done at the PCB fab. That way you
>> have something that drops right in and works. The downside is that
>> not every pcb house is happy doing that sort of “CNC work”.  I
>> have absolutely no idea why. They all have to run some sort of gear
>> to cut the boards apart. Cutting slots or weird holes with it is pretty
>> trivial.
>> 
>> Bob
> 
> what about Front Panel Express?  They're in the whole business of small run 
> panels.  Not the cheapest place around, and you use their design tool, but 
> I've been happy with the quality of their work.
> 
> 
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Re: [time-nuts] TAPR Oncore M12+ kit

[Bob Stewart]

Hi Bob,
It may be because the process of cutting the boards apart is not part of the 
board milling process.  Yes, cutting holes in boards for through-hole parts is 
part of the business - round holes.  The fab house for OSHPark won't make oval 
holes.  They won't overlap two holes, either, nor make square notches.  This is 
only a guess, but I'd say that this is because they use actual drill bits to 
make those holes, rather than a laser.  Drill bits are expensive, and it takes 
a lot of time to change a drill bit when you've got hundreds of boards to mill. 
 It's not something I would want to do, either, without a serious penalty for 
the customer for a broken bit due to odd shaped holes and missed deadlines.

And OSHPark seems to use different fab houses for the small runs vs the large 
(10+) runs.  With the small runs, the boards are connected to each other by 
small tabs.  Often small boards arrive still tabbed together.  I don't know 
whether they route the distance between these tabs, or use a laser.  On the 
larger runs, there are no tabs, and the board edges are smooth, as if they were 
cut apart in one single operation not part of the milling process.

NB, I don't work for a fab house, nor have I ever toured one.

Bob 



  From: Bob kb8tq <kb...@n1k.org>
 To: Discussion of precise time and frequency measurement <time-nuts@febo.com> 
 Sent: Friday, April 28, 2017 1:06 PM
 Subject: Re: [time-nuts] TAPR Oncore M12+ kit
   
Hi

If you go with the PCB approach, the nice thing is getting stuff like
the slot for the D connector done at the PCB fab. That way you 
have something that drops right in and works. The downside is that 
not every pcb house is happy doing that sort of “CNC work”.  I 
have absolutely no idea why. They all have to run some sort of gear
to cut the boards apart. Cutting slots or weird holes with it is pretty
trivial. 

Bob

   
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Re: [time-nuts] TAPR Oncore M12+ kit

[Gregory Beat]

I received a response from Karl Kvick at Digi-Key,
they will not be stocking this specific model or part (panels).

Greg
w9gb

Sent from iPad Air

> On Apr 28, 2017, at 11:24 AM, Gregory Beat  wrote:
> 
> I have an e-mail inquiry at Digi-Key (Friday),
> since they are a US distributor for this mfg. and enclosures.
> Awaiting their reply.
> 
> greg
> w9gb
> 
> Sent from iPhone 6s
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Re: [time-nuts] TAPR Oncore M12+ kit

[jimlux]

On 4/28/17 10:09 AM, Bob kb8tq wrote:

Hi

If you go with the PCB approach, the nice thing is getting stuff like
the slot for the D connector done at the PCB fab. That way you
have something that drops right in and works. The downside is that
not every pcb house is happy doing that sort of “CNC work”.  I
have absolutely no idea why. They all have to run some sort of gear
to cut the boards apart. Cutting slots or weird holes with it is pretty
trivial.

Bob


what about Front Panel Express?  They're in the whole business of small 
run panels.  Not the cheapest place around, and you use their design 
tool, but I've been happy with the quality of their work.



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Re: [time-nuts] TAPR Oncore M12+ kit

[Bob kb8tq]

Hi

If you go with the PCB approach, the nice thing is getting stuff like
the slot for the D connector done at the PCB fab. That way you 
have something that drops right in and works. The downside is that 
not every pcb house is happy doing that sort of “CNC work”.  I 
have absolutely no idea why. They all have to run some sort of gear
to cut the boards apart. Cutting slots or weird holes with it is pretty
trivial. 

Bob

> On Apr 28, 2017, at 11:08 AM, Chris Albertson <albertson.ch...@gmail.com> 
> wrote:
> 
> I've got some of those  aluminum boxes.   It is not hard to make your own
> end plates.   All out need is either some aluminum strips (they sell them
> at Home Depot or a piece of copper clad PCB material and two screws. If
> you really want the interlocking groove then you make two plates for each
> end, one smaller to fit inside and one larger to cover the end of the box
> and laminate the two plates.   The soft aluminum is easy to cut and shape
> with a sander or file.
> 
> If you want to have them made for you, order a PCB, two sided from one of
> those PCB prototype places.  Then they will drill the holes where you need
> them and you can have them print the labels using that while silkscreen
> legend.
> 
> On Fri, Apr 28, 2017 at 1:56 AM, Steve - Home <steve-kr...@cox.net> wrote:
> 
>> All,
>> 
>> To add to the excellent information Art has provided - I spoke with
>> Candice Rincon at Phoenix Mecano and just received a quote from her for the
>> end plates. There is a $100 minimum order policy at P-M, shipping and taxes
>> additional. The end plates with gaskets and screws are $7.25 each so we'll
>> need to order 14 end plates to meet the minimum; that's enough to do 7
>> enclosures. The plates are cast aluminum and are blank so you would need to
>> drill your own holes per the diagrams Art provided.
>> I don't know how many GPS kits were sold but if there's enough interest
>> maybe we can do a group order.
>> 
>> Steve
>> WB0DBS
>> 
>> 
>> 
>>> On Apr 28, 2017, at 1:18 AM, Art Sepin <a...@synergy-gps.com> wrote:
>>> 
>>> Folks,
>>> 
>>> The TAPR GPS Kit documentation has been updated and revised for clarity
>> (I hope). it includes details for purchasing end plates and also dimensions
>> required to fabricate end plates. The TAPR GPS Kit document, and a
>> motherboard schematic for reference, is now available on Synergy's "GPS for
>> Scholars" page:
>>> http://www.synergy-gps.com/index.php?option=com_content;
>> task=view=54=73
>>> 
>>> Art
>>> 
>>> -Original Message-
>>> From: time-nuts [mailto:time-nuts-boun...@febo.com] On Behalf Of
>> Gregory Beat
>>> Sent: Tuesday, March 28, 2017 11:48 AM
>>> To: Larry McDavid <lmcda...@lmceng.com>; time-nuts@febo.com
>>> Subject: Re: [time-nuts] TAPR Oncore M12+ kit
>>> 
>>> Larry -
>>> 
>>> Interface Boards for Motorola (and Garmin) receivers have been discussed
>> (and sold) by TAPR since late 1990s.  TAPR archives all of this
>> documentation, for discontinued GPS kits, can be seen on the left margin.
>>> https://na01.safelinks.protection.outlook.com/?url=
>> https%3A%2F%2Fwww.tapr.org%2Fgps_exp-kit.html=01%
>> 7C01%7Cart%40synergy-gps.com%7C4dc2f4b8f72f4e2fc73108d47615ead3%
>> 7Cc81f9fdec0e04d8c95779afaa0cad9ed%7C1=
>> 5ruapgEiQudgnwP07FQuZd1RF2r23b0YTZnMagdcLkI%3D=0
>>> 
>>> Tom Clark, W3IWI Total Accurate Clock (TAC) project (1996) covers the
>> entire topic.
>>> https://na01.safelinks.protection.outlook.com/?url=
>> https%3A%2F%2Fwww.tapr.org%2Fkits_tac2.html=01%7C01%
>> 7Cart%40synergy-gps.com%7C4dc2f4b8f72f4e2fc73108d47615ead3%
>> 7Cc81f9fdec0e04d8c95779afaa0cad9ed%7C1=2ddW07UU31UDl5%
>> 2FQTy2DspkkX11FX00qrmKfc%2BRnNLw%3D=0
>>> 
>>> Simple interface board schematics (Serial Level converters, and voltage
>> adjustments for external antennas/ 3.3 or 5 V) can be found throughout the
>> Internet since mid-1990s.
>>> Numerous radio amateurs DIY their own (breadboard) or sold small
>> interfaces at hamfests (1996-2006), until newer GPS solutions became
>> surplus (and smartphones with built-in GPS appeared after 2007).
>>> 
>>> Doug McKinney, KC3RL (SK, December 2006) offered interface boards for
>> the Garmin (GPS-25) and Motorola receivers until about 2005.  I have one of
>> Doug's boards in my GPS parts box.  These were sold by TAPR until their
>> inventory was exhausted.
>>> --
>>> Garmin
>>> https://na01.safelinks.protection.outl

Re: [time-nuts] TAPR Oncore M12+ kit

[Chris Albertson]

I've got some of those  aluminum boxes.   It is not hard to make your own
end plates.   All out need is either some aluminum strips (they sell them
at Home Depot or a piece of copper clad PCB material and two screws. If
you really want the interlocking groove then you make two plates for each
end, one smaller to fit inside and one larger to cover the end of the box
and laminate the two plates.   The soft aluminum is easy to cut and shape
with a sander or file.

If you want to have them made for you, order a PCB, two sided from one of
those PCB prototype places.  Then they will drill the holes where you need
them and you can have them print the labels using that while silkscreen
legend.

On Fri, Apr 28, 2017 at 1:56 AM, Steve - Home <steve-kr...@cox.net> wrote:

> All,
>
> To add to the excellent information Art has provided - I spoke with
> Candice Rincon at Phoenix Mecano and just received a quote from her for the
> end plates. There is a $100 minimum order policy at P-M, shipping and taxes
> additional. The end plates with gaskets and screws are $7.25 each so we'll
> need to order 14 end plates to meet the minimum; that's enough to do 7
> enclosures. The plates are cast aluminum and are blank so you would need to
> drill your own holes per the diagrams Art provided.
> I don't know how many GPS kits were sold but if there's enough interest
> maybe we can do a group order.
>
> Steve
> WB0DBS
>
>
>
> > On Apr 28, 2017, at 1:18 AM, Art Sepin <a...@synergy-gps.com> wrote:
> >
> > Folks,
> >
> > The TAPR GPS Kit documentation has been updated and revised for clarity
> (I hope). it includes details for purchasing end plates and also dimensions
> required to fabricate end plates. The TAPR GPS Kit document, and a
> motherboard schematic for reference, is now available on Synergy's "GPS for
> Scholars" page:
> > http://www.synergy-gps.com/index.php?option=com_content;
> task=view=54=73
> >
> > Art
> >
> > -Original Message-
> > From: time-nuts [mailto:time-nuts-boun...@febo.com] On Behalf Of
> Gregory Beat
> > Sent: Tuesday, March 28, 2017 11:48 AM
> > To: Larry McDavid <lmcda...@lmceng.com>; time-nuts@febo.com
> > Subject: Re: [time-nuts] TAPR Oncore M12+ kit
> >
> > Larry -
> >
> > Interface Boards for Motorola (and Garmin) receivers have been discussed
> (and sold) by TAPR since late 1990s.  TAPR archives all of this
> documentation, for discontinued GPS kits, can be seen on the left margin.
> > https://na01.safelinks.protection.outlook.com/?url=
> https%3A%2F%2Fwww.tapr.org%2Fgps_exp-kit.html=01%
> 7C01%7Cart%40synergy-gps.com%7C4dc2f4b8f72f4e2fc73108d47615ead3%
> 7Cc81f9fdec0e04d8c95779afaa0cad9ed%7C1=
> 5ruapgEiQudgnwP07FQuZd1RF2r23b0YTZnMagdcLkI%3D=0
> >
> > Tom Clark, W3IWI Total Accurate Clock (TAC) project (1996) covers the
> entire topic.
> > https://na01.safelinks.protection.outlook.com/?url=
> https%3A%2F%2Fwww.tapr.org%2Fkits_tac2.html=01%7C01%
> 7Cart%40synergy-gps.com%7C4dc2f4b8f72f4e2fc73108d47615ead3%
> 7Cc81f9fdec0e04d8c95779afaa0cad9ed%7C1=2ddW07UU31UDl5%
> 2FQTy2DspkkX11FX00qrmKfc%2BRnNLw%3D=0
> >
> > Simple interface board schematics (Serial Level converters, and voltage
> adjustments for external antennas/ 3.3 or 5 V) can be found throughout the
> Internet since mid-1990s.
> > Numerous radio amateurs DIY their own (breadboard) or sold small
> interfaces at hamfests (1996-2006), until newer GPS solutions became
> surplus (and smartphones with built-in GPS appeared after 2007).
> >
> > Doug McKinney, KC3RL (SK, December 2006) offered interface boards for
> the Garmin (GPS-25) and Motorola receivers until about 2005.  I have one of
> Doug's boards in my GPS parts box.  These were sold by TAPR until their
> inventory was exhausted.
> > --
> > Garmin
> > https://na01.safelinks.protection.outlook.com/?url=
> https%3A%2F%2Fwww.tapr.org%2Fgps_garminib.html=01%
> 7C01%7Cart%40synergy-gps.com%7C4dc2f4b8f72f4e2fc73108d47615ead3%
> 7Cc81f9fdec0e04d8c95779afaa0cad9ed%7C1=
> 1rtHBUexr2FVGuHKY2qxBhzriCuFREe%2F6NAS7gi9RNY%3D=0
> > Motorola
> > https://na01.safelinks.protection.outlook.com/?url=
> https%3A%2F%2Fwww.tapr.org%2Fgps_vpib.html=01%7C01%
> 7Cart%40synergy-gps.com%7C4dc2f4b8f72f4e2fc73108d47615ead3%
> 7Cc81f9fdec0e04d8c95779afaa0cad9ed%7C1=R5%2FyBXV%2BAV2%2Fi3e%
> 2BKfPlua5PKMhRqrbUwhIMPrbiArQ%3D=0
> >
> > Synergy M12-MB board (web link to photo [jpg] below) IF you look closely
> at the Synergy Board, you see the board outline and 2x5 (10-pin) header for
> the earlier 8-channel Motorola receivers
> > https://na01.safelinks.protection.outlook.com/?url=
> https%3A%2F%2Fwww.tapr.

Re: [time-nuts] TAPR Oncore M12+ kit

[Philip Gladstone]

I was hoping that someone would design some end plates from PCBs -- it 
just needs the PCB design and then the production is easy. I've built 
cases before with PCBs as the front and rear panels -- they look nice.


I'm in for a group buy

Philip

On 28/04/2017 08:19, Stan wrote:

I would be interested in participating in a group buy for the end plates. I 
will need two of them.

Regards,
Stan
N6BYU

Date: Fri, 28 Apr 2017 09:56:55 +0100
From: Steve - Home <steve-kr...@cox.net>
To: Discussion of precise time and frequency measurement
<time-nuts@febo.com>
Subject: Re: [time-nuts] TAPR Oncore M12+ kit
Message-ID: <802e38ff-adca-435f-866d-f821c6223...@cox.net>
Content-Type: text/plain;   charset=us-ascii

All,

To add to the excellent information Art has provided - I spoke with Candice 
Rincon at Phoenix Mecano and just received a quote from her for the end plates. 
There is a $100 minimum order policy at P-M, shipping and taxes additional. The 
end plates with gaskets and screws are $7.25 each so we'll need to order 14 end 
plates to meet the minimum; that's enough to do 7 enclosures. The plates are 
cast aluminum and are blank so you would need to drill your own holes per the 
diagrams Art provided.
I don't know how many GPS kits were sold but if there's enough interest maybe 
we can do a group order.

Steve
WB0DBS

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Re: [time-nuts] TAPR Oncore M12+ kit

[Norm n3ykf]

Phoenix Meccano has a bunch of nice aluminum extrusions (with card
slots) usable for instruments and such. Minimum order is a nit. (Their
stuff is nice but $$$)

They deal with the public easily.

Placed an order this past summer. A week later, they called and asked
me to certify that the material wasn't leaving the US. Wouldn't
explain further. She seemed amused that I was making a ham radio
amplifier.

Norm n3ykf


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On Fri, Apr 28, 2017 at 8:19 AM, Stan <swp...@earthlink.net> wrote:
> I would be interested in participating in a group buy for the end plates. I 
> will need two of them.
>
> Regards,
> Stan
> N6BYU
>
> Date: Fri, 28 Apr 2017 09:56:55 +0100
> From: Steve - Home <steve-kr...@cox.net>
> To: Discussion of precise time and frequency measurement
> <time-nuts@febo.com>
> Subject: Re: [time-nuts] TAPR Oncore M12+ kit
> Message-ID: <802e38ff-adca-435f-866d-f821c6223...@cox.net>
> Content-Type: text/plain;   charset=us-ascii
>
> All,
>
> To add to the excellent information Art has provided - I spoke with Candice 
> Rincon at Phoenix Mecano and just received a quote from her for the end 
> plates. There is a $100 minimum order policy at P-M, shipping and taxes 
> additional. The end plates with gaskets and screws are $7.25 each so we'll 
> need to order 14 end plates to meet the minimum; that's enough to do 7 
> enclosures. The plates are cast aluminum and are blank so you would need to 
> drill your own holes per the diagrams Art provided.
> I don't know how many GPS kits were sold but if there's enough interest maybe 
> we can do a group order.
>
> Steve
> WB0DBS
>
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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
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Re: [time-nuts] TAPR Oncore M12+ kit

[Bob kb8tq]

Hi

Another possible answer for end plates is to 3D print them. Doing it cheaply is 
not going 
to do you any good EMI wise (it’s plastic). It will keep dust and bugs out of 
the enclosure. 
Doing it with a metal loaded material is probably less than $7 an endplate, but 
not as 
good looking as the “real thing”. If anybody wants to go that way, I’ll 
probably have a set
of .stl’s done up soon. ( = I’ll give you the files, you do the printing). 
Contact off list. 

Bob

> On Apr 28, 2017, at 4:56 AM, Steve - Home <steve-kr...@cox.net> wrote:
> 
> All,
> 
> To add to the excellent information Art has provided - I spoke with Candice 
> Rincon at Phoenix Mecano and just received a quote from her for the end 
> plates. There is a $100 minimum order policy at P-M, shipping and taxes 
> additional. The end plates with gaskets and screws are $7.25 each so we'll 
> need to order 14 end plates to meet the minimum; that's enough to do 7 
> enclosures. The plates are cast aluminum and are blank so you would need to 
> drill your own holes per the diagrams Art provided.
> I don't know how many GPS kits were sold but if there's enough interest maybe 
> we can do a group order. 
> 
> Steve
> WB0DBS
> 
> 
> 
>> On Apr 28, 2017, at 1:18 AM, Art Sepin <a...@synergy-gps.com> wrote:
>> 
>> Folks,
>> 
>> The TAPR GPS Kit documentation has been updated and revised for clarity (I 
>> hope). it includes details for purchasing end plates and also dimensions 
>> required to fabricate end plates. The TAPR GPS Kit document, and a 
>> motherboard schematic for reference, is now available on Synergy's "GPS for 
>> Scholars" page:
>> http://www.synergy-gps.com/index.php?option=com_content=view=54=73
>> 
>> Art 
>> 
>> -Original Message-
>> From: time-nuts [mailto:time-nuts-boun...@febo.com] On Behalf Of Gregory Beat
>> Sent: Tuesday, March 28, 2017 11:48 AM
>> To: Larry McDavid <lmcda...@lmceng.com>; time-nuts@febo.com
>> Subject: Re: [time-nuts] TAPR Oncore M12+ kit
>> 
>> Larry -
>> 
>> Interface Boards for Motorola (and Garmin) receivers have been discussed 
>> (and sold) by TAPR since late 1990s.  TAPR archives all of this 
>> documentation, for discontinued GPS kits, can be seen on the left margin.
>> https://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.tapr.org%2Fgps_exp-kit.html=01%7C01%7Cart%40synergy-gps.com%7C4dc2f4b8f72f4e2fc73108d47615ead3%7Cc81f9fdec0e04d8c95779afaa0cad9ed%7C1=5ruapgEiQudgnwP07FQuZd1RF2r23b0YTZnMagdcLkI%3D=0
>> 
>> Tom Clark, W3IWI Total Accurate Clock (TAC) project (1996) covers the entire 
>> topic.
>> https://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.tapr.org%2Fkits_tac2.html=01%7C01%7Cart%40synergy-gps.com%7C4dc2f4b8f72f4e2fc73108d47615ead3%7Cc81f9fdec0e04d8c95779afaa0cad9ed%7C1=2ddW07UU31UDl5%2FQTy2DspkkX11FX00qrmKfc%2BRnNLw%3D=0
>> 
>> Simple interface board schematics (Serial Level converters, and voltage 
>> adjustments for external antennas/ 3.3 or 5 V) can be found throughout the 
>> Internet since mid-1990s.
>> Numerous radio amateurs DIY their own (breadboard) or sold small interfaces 
>> at hamfests (1996-2006), until newer GPS solutions became surplus (and 
>> smartphones with built-in GPS appeared after 2007).
>> 
>> Doug McKinney, KC3RL (SK, December 2006) offered interface boards for the 
>> Garmin (GPS-25) and Motorola receivers until about 2005.  I have one of 
>> Doug's boards in my GPS parts box.  These were sold by TAPR until their 
>> inventory was exhausted.
>> --
>> Garmin
>> https://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.tapr.org%2Fgps_garminib.html=01%7C01%7Cart%40synergy-gps.com%7C4dc2f4b8f72f4e2fc73108d47615ead3%7Cc81f9fdec0e04d8c95779afaa0cad9ed%7C1=1rtHBUexr2FVGuHKY2qxBhzriCuFREe%2F6NAS7gi9RNY%3D=0
>> Motorola
>> https://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.tapr.org%2Fgps_vpib.html=01%7C01%7Cart%40synergy-gps.com%7C4dc2f4b8f72f4e2fc73108d47615ead3%7Cc81f9fdec0e04d8c95779afaa0cad9ed%7C1=R5%2FyBXV%2BAV2%2Fi3e%2BKfPlua5PKMhRqrbUwhIMPrbiArQ%3D=0
>> 
>> Synergy M12-MB board (web link to photo [jpg] below) IF you look closely at 
>> the Synergy Board, you see the board outline and 2x5 (10-pin) header for the 
>> earlier 8-channel Motorola receivers
>> https://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.tapr.org%2Fimages%2FM12-MB.jpg=01%7C01%7Cart%40synergy-gps.com%7C4dc2f4b8f72f4e2fc73108d47615ead3%7Cc81f9fdec0e04d8c95779afaa0cad9ed%7C1=VnOToRye%2Be6pu62p6Os1ohPVVa%2FzDEFh1%2F0vo%2Fi5ag4%3D=0
>> 
>> greg
>> w9gb
>> 
>> Sent from iPad Air
>> 
>>

Re: [time-nuts] TAPR Oncore M12+ kit

[Stan]

I would be interested in participating in a group buy for the end plates. I 
will need two of them.

Regards,
Stan
N6BYU

Date: Fri, 28 Apr 2017 09:56:55 +0100
From: Steve - Home <steve-kr...@cox.net>
To: Discussion of precise time and frequency measurement
<time-nuts@febo.com>
Subject: Re: [time-nuts] TAPR Oncore M12+ kit
Message-ID: <802e38ff-adca-435f-866d-f821c6223...@cox.net>
Content-Type: text/plain;   charset=us-ascii

All,

To add to the excellent information Art has provided - I spoke with Candice 
Rincon at Phoenix Mecano and just received a quote from her for the end plates. 
There is a $100 minimum order policy at P-M, shipping and taxes additional. The 
end plates with gaskets and screws are $7.25 each so we'll need to order 14 end 
plates to meet the minimum; that's enough to do 7 enclosures. The plates are 
cast aluminum and are blank so you would need to drill your own holes per the 
diagrams Art provided.
I don't know how many GPS kits were sold but if there's enough interest maybe 
we can do a group order. 

Steve
WB0DBS

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Re: [time-nuts] TAPR Oncore M12+ kit

[Steve - Home]

All,

To add to the excellent information Art has provided - I spoke with Candice 
Rincon at Phoenix Mecano and just received a quote from her for the end plates. 
There is a $100 minimum order policy at P-M, shipping and taxes additional. The 
end plates with gaskets and screws are $7.25 each so we'll need to order 14 end 
plates to meet the minimum; that's enough to do 7 enclosures. The plates are 
cast aluminum and are blank so you would need to drill your own holes per the 
diagrams Art provided.
I don't know how many GPS kits were sold but if there's enough interest maybe 
we can do a group order. 

Steve
WB0DBS



> On Apr 28, 2017, at 1:18 AM, Art Sepin <a...@synergy-gps.com> wrote:
> 
> Folks,
> 
> The TAPR GPS Kit documentation has been updated and revised for clarity (I 
> hope). it includes details for purchasing end plates and also dimensions 
> required to fabricate end plates. The TAPR GPS Kit document, and a 
> motherboard schematic for reference, is now available on Synergy's "GPS for 
> Scholars" page:
> http://www.synergy-gps.com/index.php?option=com_content=view=54=73
> 
> Art 
> 
> -Original Message-
> From: time-nuts [mailto:time-nuts-boun...@febo.com] On Behalf Of Gregory Beat
> Sent: Tuesday, March 28, 2017 11:48 AM
> To: Larry McDavid <lmcda...@lmceng.com>; time-nuts@febo.com
> Subject: Re: [time-nuts] TAPR Oncore M12+ kit
> 
> Larry -
> 
> Interface Boards for Motorola (and Garmin) receivers have been discussed (and 
> sold) by TAPR since late 1990s.  TAPR archives all of this documentation, for 
> discontinued GPS kits, can be seen on the left margin.
> https://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.tapr.org%2Fgps_exp-kit.html=01%7C01%7Cart%40synergy-gps.com%7C4dc2f4b8f72f4e2fc73108d47615ead3%7Cc81f9fdec0e04d8c95779afaa0cad9ed%7C1=5ruapgEiQudgnwP07FQuZd1RF2r23b0YTZnMagdcLkI%3D=0
> 
> Tom Clark, W3IWI Total Accurate Clock (TAC) project (1996) covers the entire 
> topic.
> https://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.tapr.org%2Fkits_tac2.html=01%7C01%7Cart%40synergy-gps.com%7C4dc2f4b8f72f4e2fc73108d47615ead3%7Cc81f9fdec0e04d8c95779afaa0cad9ed%7C1=2ddW07UU31UDl5%2FQTy2DspkkX11FX00qrmKfc%2BRnNLw%3D=0
> 
> Simple interface board schematics (Serial Level converters, and voltage 
> adjustments for external antennas/ 3.3 or 5 V) can be found throughout the 
> Internet since mid-1990s.
> Numerous radio amateurs DIY their own (breadboard) or sold small interfaces 
> at hamfests (1996-2006), until newer GPS solutions became surplus (and 
> smartphones with built-in GPS appeared after 2007).
> 
> Doug McKinney, KC3RL (SK, December 2006) offered interface boards for the 
> Garmin (GPS-25) and Motorola receivers until about 2005.  I have one of 
> Doug's boards in my GPS parts box.  These were sold by TAPR until their 
> inventory was exhausted.
> --
> Garmin
> https://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.tapr.org%2Fgps_garminib.html=01%7C01%7Cart%40synergy-gps.com%7C4dc2f4b8f72f4e2fc73108d47615ead3%7Cc81f9fdec0e04d8c95779afaa0cad9ed%7C1=1rtHBUexr2FVGuHKY2qxBhzriCuFREe%2F6NAS7gi9RNY%3D=0
> Motorola
> https://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.tapr.org%2Fgps_vpib.html=01%7C01%7Cart%40synergy-gps.com%7C4dc2f4b8f72f4e2fc73108d47615ead3%7Cc81f9fdec0e04d8c95779afaa0cad9ed%7C1=R5%2FyBXV%2BAV2%2Fi3e%2BKfPlua5PKMhRqrbUwhIMPrbiArQ%3D=0
> 
> Synergy M12-MB board (web link to photo [jpg] below) IF you look closely at 
> the Synergy Board, you see the board outline and 2x5 (10-pin) header for the 
> earlier 8-channel Motorola receivers
> https://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.tapr.org%2Fimages%2FM12-MB.jpg=01%7C01%7Cart%40synergy-gps.com%7C4dc2f4b8f72f4e2fc73108d47615ead3%7Cc81f9fdec0e04d8c95779afaa0cad9ed%7C1=VnOToRye%2Be6pu62p6Os1ohPVVa%2FzDEFh1%2F0vo%2Fi5ag4%3D=0
> 
> greg
> w9gb
> 
> Sent from iPad Air
> 
>> On Mar 28, 2017, at 12:18 PM, Larry McDavid <lmcda...@lmceng.com> wrote:
>> 
>> What "OEM supplier?" Do you mean from Synergy Systems? Or, is there an 
>> enclosure supplier to Synergy?
>> 
>> Do you know if there is a schematic of the Synergy interface board available?
>> 
>> Larry W6FUB
>> 
>>> On 3/27/2017 9:31 AM, Gregory Beat wrote:
>>> The TAPR offering is a "partial kit" from the Synergy's SynPaQ/E product.
>>> Here is that data sheet:
>>> https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.s
>>> ynergy-gps.com%2Fimages%2Fstories%2Fpdf%2Fsynpaq%2520product%2520data
>>> %2520sheet%2520040110.pdf=01%7C01%7Cart%40synergy-gps.com%7C4dc2
>>> f4b8f72f4e2fc73108d47615ead3%7Cc81f9fdec0e04d8c95779afaa0cad9ed%7C1
>>&g

Re: [time-nuts] TAPR Oncore M12+ kit

[Art Sepin]

Folks,

The TAPR GPS Kit documentation has been updated and revised for clarity (I 
hope). it includes details for purchasing end plates and also dimensions 
required to fabricate end plates. The TAPR GPS Kit document, and a motherboard 
schematic for reference, is now available on Synergy's "GPS for Scholars" page:
http://www.synergy-gps.com/index.php?option=com_content=view=54=73

Art 

-Original Message-
From: time-nuts [mailto:time-nuts-boun...@febo.com] On Behalf Of Gregory Beat
Sent: Tuesday, March 28, 2017 11:48 AM
To: Larry McDavid <lmcda...@lmceng.com>; time-nuts@febo.com
Subject: Re: [time-nuts] TAPR Oncore M12+ kit

Larry -

Interface Boards for Motorola (and Garmin) receivers have been discussed (and 
sold) by TAPR since late 1990s.  TAPR archives all of this documentation, for 
discontinued GPS kits, can be seen on the left margin.
https://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.tapr.org%2Fgps_exp-kit.html=01%7C01%7Cart%40synergy-gps.com%7C4dc2f4b8f72f4e2fc73108d47615ead3%7Cc81f9fdec0e04d8c95779afaa0cad9ed%7C1=5ruapgEiQudgnwP07FQuZd1RF2r23b0YTZnMagdcLkI%3D=0

Tom Clark, W3IWI Total Accurate Clock (TAC) project (1996) covers the entire 
topic.
https://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.tapr.org%2Fkits_tac2.html=01%7C01%7Cart%40synergy-gps.com%7C4dc2f4b8f72f4e2fc73108d47615ead3%7Cc81f9fdec0e04d8c95779afaa0cad9ed%7C1=2ddW07UU31UDl5%2FQTy2DspkkX11FX00qrmKfc%2BRnNLw%3D=0

Simple interface board schematics (Serial Level converters, and voltage 
adjustments for external antennas/ 3.3 or 5 V) can be found throughout the 
Internet since mid-1990s.
Numerous radio amateurs DIY their own (breadboard) or sold small interfaces at 
hamfests (1996-2006), until newer GPS solutions became surplus (and smartphones 
with built-in GPS appeared after 2007).

Doug McKinney, KC3RL (SK, December 2006) offered interface boards for the 
Garmin (GPS-25) and Motorola receivers until about 2005.  I have one of Doug's 
boards in my GPS parts box.  These were sold by TAPR until their inventory was 
exhausted.
--
Garmin
https://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.tapr.org%2Fgps_garminib.html=01%7C01%7Cart%40synergy-gps.com%7C4dc2f4b8f72f4e2fc73108d47615ead3%7Cc81f9fdec0e04d8c95779afaa0cad9ed%7C1=1rtHBUexr2FVGuHKY2qxBhzriCuFREe%2F6NAS7gi9RNY%3D=0
Motorola
https://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.tapr.org%2Fgps_vpib.html=01%7C01%7Cart%40synergy-gps.com%7C4dc2f4b8f72f4e2fc73108d47615ead3%7Cc81f9fdec0e04d8c95779afaa0cad9ed%7C1=R5%2FyBXV%2BAV2%2Fi3e%2BKfPlua5PKMhRqrbUwhIMPrbiArQ%3D=0

Synergy M12-MB board (web link to photo [jpg] below) IF you look closely at the 
Synergy Board, you see the board outline and 2x5 (10-pin) header for the 
earlier 8-channel Motorola receivers
https://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.tapr.org%2Fimages%2FM12-MB.jpg=01%7C01%7Cart%40synergy-gps.com%7C4dc2f4b8f72f4e2fc73108d47615ead3%7Cc81f9fdec0e04d8c95779afaa0cad9ed%7C1=VnOToRye%2Be6pu62p6Os1ohPVVa%2FzDEFh1%2F0vo%2Fi5ag4%3D=0

greg
w9gb

Sent from iPad Air

> On Mar 28, 2017, at 12:18 PM, Larry McDavid <lmcda...@lmceng.com> wrote:
> 
> What "OEM supplier?" Do you mean from Synergy Systems? Or, is there an 
> enclosure supplier to Synergy?
> 
> Do you know if there is a schematic of the Synergy interface board available?
> 
> Larry W6FUB
> 
>> On 3/27/2017 9:31 AM, Gregory Beat wrote:
>> The TAPR offering is a "partial kit" from the Synergy's SynPaQ/E product.
>> Here is that data sheet:
>> https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.s
>> ynergy-gps.com%2Fimages%2Fstories%2Fpdf%2Fsynpaq%2520product%2520data
>> %2520sheet%2520040110.pdf=01%7C01%7Cart%40synergy-gps.com%7C4dc2
>> f4b8f72f4e2fc73108d47615ead3%7Cc81f9fdec0e04d8c95779afaa0cad9ed%7C1
>> data=WF1IWYKvN5q6C0WMToPljgax2dpKhBqLxTAyhvKrYzw%3D=0
>> Blank aluminum end-plates can be fabricated, or purchased from the OEM 
>> supplier.
>> 
>> w9gb
> --
> Best wishes,
> 
> Larry McDavid W6FUB
> Anaheim, California  (SE of Los Angeles, near Disneyland)
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Re: [time-nuts] TAPR Oncore M12+ kit

[Dave Mallery]

Hi Mark

I was delighted to read about Heather's ability to talk to a timing M12.  I
have been having fits here trying to get the M12 to accept any command
(using Perl.. a mistake it seems).  i wanted to end up with a Linux capable
utility and had previously used Perl to parse NEMA on my old TAC2.

I have been learning about binmode(M12) and other edge cases, but am
probably still far from the eureka moment..

anyhow, i am setting up heather5 for a trial flight.

thanks

dave mallery



On Fri, Apr 21, 2017 at 8:40 PM, Mark Sims  wrote:

> Earlier somebody asked if these were M12's or M12T's.I powered mine up
> and connected it to Lady Heather. It appears to be an M12T.   It responds
> to the survey and position hold commands and outputs the sawtooth
> correction value. Also the hardware ID returned is P373T12T12.
> ___
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> To unsubscribe, go to https://www.febo.com/cgi-bin/
> mailman/listinfo/time-nuts
> and follow the instructions there.
>



-- 
Dave Mallery, K5EN (ubuntu linux 16-10)
PO Box 15  Ophir,  OR  97464

  linux counter #64628 (since 1997)
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Re: [time-nuts] TAPR Oncore M12+ kit

[Dave Mallery]

amazing.

especially after a week of effort.

thank you.

dave

On Sat, Apr 22, 2017 at 12:30 PM, Dave Mallery 
wrote:

> Hi Mark
>
> I was delighted to read about Heather's ability to talk to a timing M12.
> I have been having fits here trying to get the M12 to accept any command
> (using Perl.. a mistake it seems).  i wanted to end up with a Linux capable
> utility and had previously used Perl to parse NEMA on my old TAC2.
>
> I have been learning about binmode(M12) and other edge cases, but am
> probably still far from the eureka moment..
>
> anyhow, i am setting up heather5 for a trial flight.
>
> thanks
>
> dave mallery
>
>
>
> On Fri, Apr 21, 2017 at 8:40 PM, Mark Sims  wrote:
>
>> Earlier somebody asked if these were M12's or M12T's.I powered mine
>> up and connected it to Lady Heather. It appears to be an M12T.   It
>> responds to the survey and position hold commands and outputs the sawtooth
>> correction value. Also the hardware ID returned is P373T12T12.
>> ___
>> time-nuts mailing list -- time-nuts@febo.com
>> To unsubscribe, go to https://www.febo.com/cgi-bin/m
>> ailman/listinfo/time-nuts
>> and follow the instructions there.
>>
>
>
>
> --
> Dave Mallery, K5EN (ubuntu linux 16-10)
> PO Box 15  Ophir,  OR  97464
>
>   linux counter #64628 (since 1997)
>
>
>
>


-- 
Dave Mallery, K5EN (ubuntu linux 16-10)
PO Box 15  Ophir,  OR  97464

  linux counter #64628 (since 1997)
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[time-nuts] TAPR Oncore M12+ kit

[Mark Sims]

Earlier somebody asked if these were M12's or M12T's.I powered mine up and 
connected it to Lady Heather. It appears to be an M12T.   It responds to the 
survey and position hold commands and outputs the sawtooth correction value.
 Also the hardware ID returned is P373T12T12.
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Re: [time-nuts] TAPR Oncore M12+ kit

[Gregory Beat]

Motorola Oncore VP/UT+/GT+ Interface Board SemiKit by McKinney Technology
Instructions and Schematic diagram by Doug McKinney, KC3RL (SK, 2006)
http://www.tapr.org/pdf/vpguib.pdf

greg
w9gb

Sent from iPad Air

> On Mar 28, 2017, at 1:47 PM, Gregory Beat  wrote:
> 
> Larry -
> 
> Interface Boards for Motorola (and Garmin) receivers have been discussed (and 
> sold) by TAPR since late 1990s.  TAPR archives all of this documentation, for 
> discontinued GPS kits, can be seen on the left margin.
> https://www.tapr.org/gps_exp-kit.html
> 
> Tom Clark, W3IWI Total Accurate Clock (TAC) project (1996) covers the entire 
> topic.
> https://www.tapr.org/kits_tac2.html
> 
> Simple interface board schematics (Serial Level converters, and voltage 
> adjustments for external antennas/ 3.3 or 5 V) can be found throughout the 
> Internet since mid-1990s.
> Numerous radio amateurs DIY their own (breadboard) or sold small interfaces 
> at hamfests (1996-2006), until newer GPS solutions became surplus (and 
> smartphones with built-in GPS appeared after 2007).
> 
> Doug McKinney, KC3RL (SK, December 2006) offered interface boards for the 
> Garmin (GPS-25) and Motorola receivers until about 2005.  I have one of 
> Doug's boards in my GPS parts box.  These were sold by TAPR until their 
> inventory was exhausted.
> --
> Garmin
> https://www.tapr.org/gps_garminib.html
> Motorola
> https://www.tapr.org/gps_vpib.html
> 
> Synergy M12-MB board (web link to photo [jpg] below)
> IF you look closely at the Synergy Board, you see the board outline and 2x5 
> (10-pin) header for the earlier 8-channel Motorola receivers
> https://www.tapr.org/images/M12-MB.jpg
> 
> greg
> w9gb
> 
> Sent from iPad Air
> 
>> On Mar 28, 2017, at 12:18 PM, Larry McDavid  wrote:
>> 
>> What "OEM supplier?" Do you mean from Synergy Systems? Or, is there an 
>> enclosure supplier to Synergy?
>> 
>> Do you know if there is a schematic of the Synergy interface board available?
>> 
>> Larry W6FUB
>> 
>>> On 3/27/2017 9:31 AM, Gregory Beat wrote:
>>> The TAPR offering is a "partial kit" from the Synergy's SynPaQ/E product.
>>> Here is that data sheet:
>>> http://www.synergy-gps.com/images/stories/pdf/synpaq%20product%20data%20sheet%20040110.pdf
>>> Blank aluminum end-plates can be fabricated, or purchased from the OEM 
>>> supplier.
>>> 
>>> w9gb
>> -- 
>> Best wishes,
>> 
>> Larry McDavid W6FUB
>> Anaheim, California  (SE of Los Angeles, near Disneyland)
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Re: [time-nuts] TAPR Oncore M12+ kit

[Dave Mallery]

... an hour later...  of course, the power was reversed!!!  positive now
pin 8 on the DB9 going to the mobo.

perhaps i should go back to writing software!

suitably humiliated.

73

dave - k5en

On Thu, Apr 6, 2017 at 1:55 PM, Dave Mallery  wrote:

> hi
>
> after carefully crafting the suggested db9mf cable (with 16vdc on 7 & 8+)
> i powered up, but no green led...
>
> the db9 to chassis seems ok. but am still engaged.  there is no voltage
> across the backup battery (the holder seems slightly bent).
>
> the lack of a schematic for the mobo is a big problem.  any documentation
> on the 10-pin interconnect to the m12 would be nice.
>
> i guess this is what you call a slow start...
>
> 73
>
> dave - k5en
>
> On Thu, Apr 6, 2017 at 11:49 AM, Dan Rae  wrote:
>
>> Worth looking closely at these if you've bought one.  On mine, apart from
>> the connector to the DB9 being pulled off and some pins bent, which I could
>> fix, there are two tiny SM ceramic caps that have been knocked off the M12
>> GPS board, both hanging by one of the detached PC traces.   This I may be
>> able to fix, but I'm not certain obviously :^)
>>
>> Dan - ac6ao
>>
>> ___
>> time-nuts mailing list -- time-nuts@febo.com
>> To unsubscribe, go to https://www.febo.com/cgi-bin/m
>> ailman/listinfo/time-nuts
>> and follow the instructions there.
>>
>
>
>
> --
> Dave Mallery, K5EN (ubuntu linux 16-10)
> PO Box 15  Ophir,  OR  97464
>
>   linux counter #64628 (since 1997)
>
>
>
>


-- 
Dave Mallery, K5EN (ubuntu linux 16-10)
PO Box 15  Ophir,  OR  97464

  linux counter #64628 (since 1997)
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Re: [time-nuts] TAPR Oncore M12+ kit

[Dave Mallery]

hi

after carefully crafting the suggested db9mf cable (with 16vdc on 7 & 8+) i
powered up, but no green led...

the db9 to chassis seems ok. but am still engaged.  there is no voltage
across the backup battery (the holder seems slightly bent).

the lack of a schematic for the mobo is a big problem.  any documentation
on the 10-pin interconnect to the m12 would be nice.

i guess this is what you call a slow start...

73

dave - k5en

On Thu, Apr 6, 2017 at 11:49 AM, Dan Rae  wrote:

> Worth looking closely at these if you've bought one.  On mine, apart from
> the connector to the DB9 being pulled off and some pins bent, which I could
> fix, there are two tiny SM ceramic caps that have been knocked off the M12
> GPS board, both hanging by one of the detached PC traces.   This I may be
> able to fix, but I'm not certain obviously :^)
>
> Dan - ac6ao
>
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-- 
Dave Mallery, K5EN (ubuntu linux 16-10)
PO Box 15  Ophir,  OR  97464

  linux counter #64628 (since 1997)
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Re: [time-nuts] TAPR Oncore M12+ kit

[Dan Rae]

Worth looking closely at these if you've bought one.  On mine, apart 
from the connector to the DB9 being pulled off and some pins bent, which 
I could fix, there are two tiny SM ceramic caps that have been knocked 
off the M12 GPS board, both hanging by one of the detached PC traces.   
This I may be able to fix, but I'm not certain obviously :^)


Dan - ac6ao
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Re: [time-nuts] TAPR Oncore M12+ kit

[Art Sepin]

Norm and Bob,

The M12+ GPS receivers mounted on the motherboard are indeed the timing units. 
Chapter 5 of the Motorola M12+ User's Guide is here:
http://www.synergy-gps.com/images/stories/guides/m12+userguide.pdf
The binary commands and output messages, including timing related commands, are 
in Chapter 5 starting on page 59.

The M12+ timing receiver can also be used for navigation applications - simply 
don't use the Position Hold mode. The main difference between the M12+ 
navigation receivers and the M12+ timing versions is that the navigation boards 
have a faster TTFF.

Motorola didn't refer to the M12+ timing version as "M12+T" That designation 
was used by Synergy, and others, to clearly differentiate the timing version 
from its navigation counterpart.

We recently forwarded information to TAPR on where to purchase front and rear 
end plates for the housing and also dimensional information on the hole sizes 
and locations. Until that info is available from the TAPR.ORG web site, we'll 
be happy to forward that information to anyone interested off list.

Art Sepin
 


-Original Message-
From: time-nuts [mailto:time-nuts-boun...@febo.com] On Behalf Of Norm n3ykf
Sent: Thursday, March 30, 2017 8:11 AM
To: Discussion of precise time and frequency measurement <time-nuts@febo.com>
Subject: Re: [time-nuts] TAPR Oncore M12+ kit

Bob,

Couldn't find a part number on the .jpg of the gps rx to to cross reference. 
Have a few +T's. Don't need another timing rx. Would take a few positioning 
rx's as the M12+ units are good for balloon launches.
Reads out >65535ft.

See top comment.

Norm n3ykf

On Thu, Mar 30, 2017 at 7:33 AM, Bob kb8tq <kb...@n1k.org> wrote:
> Hi
>
> At least from a quick read of the TAPR page it’s not real clear if the GPS 
> modules are M12+T or just M12+ boards. I believe that if they don’t have the 
> T on the end, they don’t have sawtooth / PPS (?).
>
> Bob
>
>> On Mar 30, 2017, at 2:11 AM, Mike Cook <michael.c...@sfr.fr> wrote:
>>
>> I would like to add mention of the M12+ interface board that Tom Wimmenhove 
>> offered on this list. I am using them to lock PRS10s. Very happy with it.
>> Here is a link to some of his performance measurements. < 
>> https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Ftomwi
>> mmenhove.com%2Fotherstuff%2FOncore%2F=01%7C01%7Cart%40synergy-gp
>> s.com%7C66da3e2206114ff5dd4d08d47785fbd8%7Cc81f9fdec0e04d8c95779afaa0
>> cad9ed%7C1=nPeS%2B%2F4n9wz9ySHtYGu45yfpDpUWkE8C1NvAj%2FZ5Pug%3D
>> =0 >
>>
>>> Le 28 mars 2017 à 20:47, Gregory Beat <w...@icloud.com> a écrit :
>>>
>>> Larry -
>>>
>>> Interface Boards for Motorola (and Garmin) receivers have been discussed 
>>> (and sold) by TAPR since late 1990s.  TAPR archives all of this 
>>> documentation, for discontinued GPS kits, can be seen on the left margin.
>>> https://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww
>>> .tapr.org%2Fgps_exp-kit.html=01%7C01%7Cart%40synergy-gps.com%7C
>>> 66da3e2206114ff5dd4d08d47785fbd8%7Cc81f9fdec0e04d8c95779afaa0cad9ed%
>>> 7C1=sdfgbaFtA%2FQMThFy1V4ZOtmTsABU1GMPosgXSixusvs%3D=
>>> 0
>>>
>>> Tom Clark, W3IWI Total Accurate Clock (TAC) project (1996) covers the 
>>> entire topic.
>>> https://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww
>>> .tapr.org%2Fkits_tac2.html=01%7C01%7Cart%40synergy-gps.com%7C66
>>> da3e2206114ff5dd4d08d47785fbd8%7Cc81f9fdec0e04d8c95779afaa0cad9ed%7C
>>> 1=SI%2FiUk0o0cZMXc8FYUxbnfXlgNG9pUKeLHuLM2gE%2F4w%3D=
>>> 0
>>>
>>> Simple interface board schematics (Serial Level converters, and voltage 
>>> adjustments for external antennas/ 3.3 or 5 V) can be found throughout the 
>>> Internet since mid-1990s.
>>> Numerous radio amateurs DIY their own (breadboard) or sold small interfaces 
>>> at hamfests (1996-2006), until newer GPS solutions became surplus (and 
>>> smartphones with built-in GPS appeared after 2007).
>>>
>>> Doug McKinney, KC3RL (SK, December 2006) offered interface boards for the 
>>> Garmin (GPS-25) and Motorola receivers until about 2005.  I have one of 
>>> Doug's boards in my GPS parts box.  These were sold by TAPR until their 
>>> inventory was exhausted.
>>> --
>>> Garmin
>>> https://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww
>>> .tapr.org%2Fgps_garminib.html=01%7C01%7Cart%40synergy-gps.com%7
>>> C66da3e2206114ff5dd4d08d47785fbd8%7Cc81f9fdec0e04d8c95779afaa0cad9ed
>>> %7C1=Lp1MR2jjmusu9vBJKJwIaGFPinECe9yfPBV1qvPszSw%3D=0
>>> Motorola
>>> https://na01.safelinks.protection.outlook.com/?url=

Re: [time-nuts] TAPR Oncore M12+ kit

[Norm n3ykf]

Bob,

Couldn't find a part number on the .jpg of the gps rx to to cross
reference. Have a few +T's. Don't need another timing rx. Would take a
few positioning rx's as the M12+ units are good for balloon launches.
Reads out >65535ft.

See top comment.

Norm n3ykf

On Thu, Mar 30, 2017 at 7:33 AM, Bob kb8tq  wrote:
> Hi
>
> At least from a quick read of the TAPR page it’s not real clear if the GPS 
> modules are M12+T or just M12+ boards. I believe that if they don’t have the 
> T on the end, they don’t have sawtooth / PPS (?).
>
> Bob
>
>> On Mar 30, 2017, at 2:11 AM, Mike Cook  wrote:
>>
>> I would like to add mention of the M12+ interface board that Tom Wimmenhove 
>> offered on this list. I am using them to lock PRS10s. Very happy with it.
>> Here is a link to some of his performance measurements. < 
>> http://tomwimmenhove.com/otherstuff/Oncore/ >
>>
>>> Le 28 mars 2017 à 20:47, Gregory Beat  a écrit :
>>>
>>> Larry -
>>>
>>> Interface Boards for Motorola (and Garmin) receivers have been discussed 
>>> (and sold) by TAPR since late 1990s.  TAPR archives all of this 
>>> documentation, for discontinued GPS kits, can be seen on the left margin.
>>> https://www.tapr.org/gps_exp-kit.html
>>>
>>> Tom Clark, W3IWI Total Accurate Clock (TAC) project (1996) covers the 
>>> entire topic.
>>> https://www.tapr.org/kits_tac2.html
>>>
>>> Simple interface board schematics (Serial Level converters, and voltage 
>>> adjustments for external antennas/ 3.3 or 5 V) can be found throughout the 
>>> Internet since mid-1990s.
>>> Numerous radio amateurs DIY their own (breadboard) or sold small interfaces 
>>> at hamfests (1996-2006), until newer GPS solutions became surplus (and 
>>> smartphones with built-in GPS appeared after 2007).
>>>
>>> Doug McKinney, KC3RL (SK, December 2006) offered interface boards for the 
>>> Garmin (GPS-25) and Motorola receivers until about 2005.  I have one of 
>>> Doug's boards in my GPS parts box.  These were sold by TAPR until their 
>>> inventory was exhausted.
>>> --
>>> Garmin
>>> https://www.tapr.org/gps_garminib.html
>>> Motorola
>>> https://www.tapr.org/gps_vpib.html
>>>
>>> Synergy M12-MB board (web link to photo [jpg] below)
>>> IF you look closely at the Synergy Board, you see the board outline and 2x5 
>>> (10-pin) header for the earlier 8-channel Motorola receivers
>>> https://www.tapr.org/images/M12-MB.jpg
>>>
>>> greg
>>> w9gb
>>>
>>> Sent from iPad Air
>>>
 On Mar 28, 2017, at 12:18 PM, Larry McDavid  wrote:

 What "OEM supplier?" Do you mean from Synergy Systems? Or, is there an 
 enclosure supplier to Synergy?

 Do you know if there is a schematic of the Synergy interface board 
 available?

 Larry W6FUB

> On 3/27/2017 9:31 AM, Gregory Beat wrote:
> The TAPR offering is a "partial kit" from the Synergy's SynPaQ/E product.
> Here is that data sheet:
> http://www.synergy-gps.com/images/stories/pdf/synpaq%20product%20data%20sheet%20040110.pdf
> Blank aluminum end-plates can be fabricated, or purchased from the OEM 
> supplier.
>
> w9gb
 --
 Best wishes,

 Larry McDavid W6FUB
 Anaheim, California  (SE of Los Angeles, near Disneyland)
>>> ___
>>> 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.
>>
>> "The power of accurate observation is commonly called cynicism by those who 
>> have not got it. »
>> George Bernard Shaw
>>
>> ___
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Re: [time-nuts] TAPR Oncore M12+ kit

[Bob kb8tq]

Hi

At least from a quick read of the TAPR page it’s not real clear if the GPS 
modules are M12+T or just M12+ boards. I believe that if they don’t have the T 
on the end, they don’t have sawtooth / PPS (?).

Bob

> On Mar 30, 2017, at 2:11 AM, Mike Cook  wrote:
> 
> I would like to add mention of the M12+ interface board that Tom Wimmenhove 
> offered on this list. I am using them to lock PRS10s. Very happy with it.
> Here is a link to some of his performance measurements. < 
> http://tomwimmenhove.com/otherstuff/Oncore/ >
> 
>> Le 28 mars 2017 à 20:47, Gregory Beat  a écrit :
>> 
>> Larry -
>> 
>> Interface Boards for Motorola (and Garmin) receivers have been discussed 
>> (and sold) by TAPR since late 1990s.  TAPR archives all of this 
>> documentation, for discontinued GPS kits, can be seen on the left margin.
>> https://www.tapr.org/gps_exp-kit.html
>> 
>> Tom Clark, W3IWI Total Accurate Clock (TAC) project (1996) covers the entire 
>> topic.
>> https://www.tapr.org/kits_tac2.html
>> 
>> Simple interface board schematics (Serial Level converters, and voltage 
>> adjustments for external antennas/ 3.3 or 5 V) can be found throughout the 
>> Internet since mid-1990s.
>> Numerous radio amateurs DIY their own (breadboard) or sold small interfaces 
>> at hamfests (1996-2006), until newer GPS solutions became surplus (and 
>> smartphones with built-in GPS appeared after 2007).
>> 
>> Doug McKinney, KC3RL (SK, December 2006) offered interface boards for the 
>> Garmin (GPS-25) and Motorola receivers until about 2005.  I have one of 
>> Doug's boards in my GPS parts box.  These were sold by TAPR until their 
>> inventory was exhausted.
>> --
>> Garmin
>> https://www.tapr.org/gps_garminib.html
>> Motorola
>> https://www.tapr.org/gps_vpib.html
>> 
>> Synergy M12-MB board (web link to photo [jpg] below)
>> IF you look closely at the Synergy Board, you see the board outline and 2x5 
>> (10-pin) header for the earlier 8-channel Motorola receivers
>> https://www.tapr.org/images/M12-MB.jpg
>> 
>> greg
>> w9gb
>> 
>> Sent from iPad Air
>> 
>>> On Mar 28, 2017, at 12:18 PM, Larry McDavid  wrote:
>>> 
>>> What "OEM supplier?" Do you mean from Synergy Systems? Or, is there an 
>>> enclosure supplier to Synergy?
>>> 
>>> Do you know if there is a schematic of the Synergy interface board 
>>> available?
>>> 
>>> Larry W6FUB
>>> 
 On 3/27/2017 9:31 AM, Gregory Beat wrote:
 The TAPR offering is a "partial kit" from the Synergy's SynPaQ/E product.
 Here is that data sheet:
 http://www.synergy-gps.com/images/stories/pdf/synpaq%20product%20data%20sheet%20040110.pdf
 Blank aluminum end-plates can be fabricated, or purchased from the OEM 
 supplier.
 
 w9gb
>>> -- 
>>> Best wishes,
>>> 
>>> Larry McDavid W6FUB
>>> Anaheim, California  (SE of Los Angeles, near Disneyland)
>> ___
>> 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.
> 
> "The power of accurate observation is commonly called cynicism by those who 
> have not got it. »
> George Bernard Shaw
> 
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> To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
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Re: [time-nuts] TAPR Oncore M12+ kit

[Mike Cook]

I would like to add mention of the M12+ interface board that Tom Wimmenhove 
offered on this list. I am using them to lock PRS10s. Very happy with it.
Here is a link to some of his performance measurements. < 
http://tomwimmenhove.com/otherstuff/Oncore/ >

> Le 28 mars 2017 à 20:47, Gregory Beat  a écrit :
> 
> Larry -
> 
> Interface Boards for Motorola (and Garmin) receivers have been discussed (and 
> sold) by TAPR since late 1990s.  TAPR archives all of this documentation, for 
> discontinued GPS kits, can be seen on the left margin.
> https://www.tapr.org/gps_exp-kit.html
> 
> Tom Clark, W3IWI Total Accurate Clock (TAC) project (1996) covers the entire 
> topic.
> https://www.tapr.org/kits_tac2.html
> 
> Simple interface board schematics (Serial Level converters, and voltage 
> adjustments for external antennas/ 3.3 or 5 V) can be found throughout the 
> Internet since mid-1990s.
> Numerous radio amateurs DIY their own (breadboard) or sold small interfaces 
> at hamfests (1996-2006), until newer GPS solutions became surplus (and 
> smartphones with built-in GPS appeared after 2007).
> 
> Doug McKinney, KC3RL (SK, December 2006) offered interface boards for the 
> Garmin (GPS-25) and Motorola receivers until about 2005.  I have one of 
> Doug's boards in my GPS parts box.  These were sold by TAPR until their 
> inventory was exhausted.
> --
> Garmin
> https://www.tapr.org/gps_garminib.html
> Motorola
> https://www.tapr.org/gps_vpib.html
> 
> Synergy M12-MB board (web link to photo [jpg] below)
> IF you look closely at the Synergy Board, you see the board outline and 2x5 
> (10-pin) header for the earlier 8-channel Motorola receivers
> https://www.tapr.org/images/M12-MB.jpg
> 
> greg
> w9gb
> 
> Sent from iPad Air
> 
>> On Mar 28, 2017, at 12:18 PM, Larry McDavid  wrote:
>> 
>> What "OEM supplier?" Do you mean from Synergy Systems? Or, is there an 
>> enclosure supplier to Synergy?
>> 
>> Do you know if there is a schematic of the Synergy interface board available?
>> 
>> Larry W6FUB
>> 
>>> On 3/27/2017 9:31 AM, Gregory Beat wrote:
>>> The TAPR offering is a "partial kit" from the Synergy's SynPaQ/E product.
>>> Here is that data sheet:
>>> http://www.synergy-gps.com/images/stories/pdf/synpaq%20product%20data%20sheet%20040110.pdf
>>> Blank aluminum end-plates can be fabricated, or purchased from the OEM 
>>> supplier.
>>> 
>>> w9gb
>> -- 
>> Best wishes,
>> 
>> Larry McDavid W6FUB
>> Anaheim, California  (SE of Los Angeles, near Disneyland)
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"The power of accurate observation is commonly called cynicism by those who 
have not got it. »
George Bernard Shaw

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Re: [time-nuts] TAPR Oncore M12+ kit

[Gregory Beat]

TAPR list of experimenter kit "parts"
Housing without end plates
Synergy manual (hyperlink on TAPR kit page)
"GPS receiver and required support electronics in a robust, IP68 rated (IP65) 
extruded aluminum housing."

Synergy purchased that extruded aluminum housing case: 3.22” W x 5.10” L x 
1.37” H (82mm x 130mm x 35mm) from an OEM supplier, such as: 

BUD Industries
http://www.budind.com/

Elma/Optima
http://www.elma.com/en/us/?sc_lang=en

LMB/Heeger
http://lmbheeger.com/about-us.aspx

Takachi Enclosures
http://www.takachi-enclosure.com/data/p_04die-cast.html

Hammond Manufacturing (model 1455, used for Timewave Navigator)
http://www.hammondmfg.com/

greg
w9gb
==
Sent from iPad Air
> On Mar 28, 2017, at 12:18 PM, Larry McDavid  wrote:
> 
> What "OEM supplier?" Do you mean from Synergy Systems? Or, is there an 
> enclosure supplier to Synergy?
> 
> Do you know if there is a schematic of the Synergy interface board available?
> 
> Larry W6FUB
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Re: [time-nuts] TAPR Oncore M12+ kit

[Gregory Beat]

Larry -

Interface Boards for Motorola (and Garmin) receivers have been discussed (and 
sold) by TAPR since late 1990s.  TAPR archives all of this documentation, for 
discontinued GPS kits, can be seen on the left margin.
https://www.tapr.org/gps_exp-kit.html

Tom Clark, W3IWI Total Accurate Clock (TAC) project (1996) covers the entire 
topic.
https://www.tapr.org/kits_tac2.html

Simple interface board schematics (Serial Level converters, and voltage 
adjustments for external antennas/ 3.3 or 5 V) can be found throughout the 
Internet since mid-1990s.
Numerous radio amateurs DIY their own (breadboard) or sold small interfaces at 
hamfests (1996-2006), until newer GPS solutions became surplus (and smartphones 
with built-in GPS appeared after 2007).

Doug McKinney, KC3RL (SK, December 2006) offered interface boards for the 
Garmin (GPS-25) and Motorola receivers until about 2005.  I have one of Doug's 
boards in my GPS parts box.  These were sold by TAPR until their inventory was 
exhausted.
--
Garmin
https://www.tapr.org/gps_garminib.html
Motorola
https://www.tapr.org/gps_vpib.html

Synergy M12-MB board (web link to photo [jpg] below)
IF you look closely at the Synergy Board, you see the board outline and 2x5 
(10-pin) header for the earlier 8-channel Motorola receivers
https://www.tapr.org/images/M12-MB.jpg

greg
w9gb

Sent from iPad Air

> On Mar 28, 2017, at 12:18 PM, Larry McDavid  wrote:
> 
> What "OEM supplier?" Do you mean from Synergy Systems? Or, is there an 
> enclosure supplier to Synergy?
> 
> Do you know if there is a schematic of the Synergy interface board available?
> 
> Larry W6FUB
> 
>> On 3/27/2017 9:31 AM, Gregory Beat wrote:
>> The TAPR offering is a "partial kit" from the Synergy's SynPaQ/E product.
>> Here is that data sheet:
>> http://www.synergy-gps.com/images/stories/pdf/synpaq%20product%20data%20sheet%20040110.pdf
>> Blank aluminum end-plates can be fabricated, or purchased from the OEM 
>> supplier.
>> 
>> w9gb
> -- 
> Best wishes,
> 
> Larry McDavid W6FUB
> Anaheim, California  (SE of Los Angeles, near Disneyland)
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Re: [time-nuts] TAPR Oncore M12+ kit

[Bob kb8tq]

Hi

That’s a very good price for what it is !!

Bob

> On Mar 27, 2017, at 9:31 AM, Gregory Beat  wrote:
> 
> The TAPR offering is a "partial kit" from the Synergy's SynPaQ/E product.
> Here is that data sheet:
> http://www.synergy-gps.com/images/stories/pdf/synpaq%20product%20data%20sheet%20040110.pdf
> Blank aluminum end-plates can be fabricated, or purchased from the OEM 
> supplier.
> 
> w9gb
> 
> Sent from iPad Air
> ___
> time-nuts mailing list -- time-nuts@febo.com
> To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
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Re: [time-nuts] TAPR Oncore M12+ kit

[Gregory Beat]

The TAPR offering is a "partial kit" from the Synergy's SynPaQ/E product.
Here is that data sheet:
http://www.synergy-gps.com/images/stories/pdf/synpaq%20product%20data%20sheet%20040110.pdf
Blank aluminum end-plates can be fabricated, or purchased from the OEM supplier.
 
w9gb

Sent from iPad Air
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Re: [time-nuts] TAPR Oncore M12+ kit

[Norm n3ykf]

M12+ or M12+T?

There are two different versions of firmware, same hardware.

The M12+ does NMEA and Moto bin, the +T does Moto Bin only.

Norm n3ykf

On Mon, Mar 27, 2017 at 9:17 AM, Majdi S. Abbas  wrote:
> TAPR has announced a new kit that may be of some interest here:
>
> https://www.tapr.org/gps_exp-kit.html
>
> It's certainly well worth the $30.
>
> --msa
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[time-nuts] TAPR Oncore M12+ kit

[Majdi S. Abbas]

TAPR has announced a new kit that may be of some interest here:

https://www.tapr.org/gps_exp-kit.html

It's certainly well worth the $30.

--msa
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