[time-nuts] TAPR Oncore M12+ kit

Art Sepin art at synergy-gps.com
Thu Mar 30 14:19:11 EDT 2017

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:
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-bounces at 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 at febo.com>
Subject: Re: [time-nuts] TAPR Oncore M12+ kit


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 <kb8tq at 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.cook at 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&data=01%7C01%7Cart%40synergy-gp
>> s.com%7C66da3e2206114ff5dd4d08d47785fbd8%7Cc81f9fdec0e04d8c95779afaa0
>> cad9ed%7C1&sdata=nPeS%2B%2F4n9wz9ySHtYGu45yfpDpUWkE8C1NvAj%2FZ5Pug%3D
>> &reserved=0 >
>>> Le 28 mars 2017 à 20:47, Gregory Beat <w9gb at 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&data=01%7C01%7Cart%40synergy-gps.com%7C
>>> 66da3e2206114ff5dd4d08d47785fbd8%7Cc81f9fdec0e04d8c95779afaa0cad9ed%
>>> 7C1&sdata=sdfgbaFtA%2FQMThFy1V4ZOtmTsABU1GMPosgXSixusvs%3D&reserved=
>>> 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&data=01%7C01%7Cart%40synergy-gps.com%7C66
>>> da3e2206114ff5dd4d08d47785fbd8%7Cc81f9fdec0e04d8c95779afaa0cad9ed%7C
>>> 1&sdata=SI%2FiUk0o0cZMXc8FYUxbnfXlgNG9pUKeLHuLM2gE%2F4w%3D&reserved=
>>> 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&data=01%7C01%7Cart%40synergy-gps.com%7
>>> C66da3e2206114ff5dd4d08d47785fbd8%7Cc81f9fdec0e04d8c95779afaa0cad9ed
>>> %7C1&sdata=Lp1MR2jjmusu9vBJKJwIaGFPinECe9yfPBV1qvPszSw%3D&reserved=0
>>> Motorola
>>> https://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww
>>> .tapr.org%2Fgps_vpib.html&data=01%7C01%7Cart%40synergy-gps.com%7C66d
>>> a3e2206114ff5dd4d08d47785fbd8%7Cc81f9fdec0e04d8c95779afaa0cad9ed%7C1
>>> &sdata=O1OXhJqYA2s9uYBkRIGxvQdqqWfZ0Q7oE1troYDasnM%3D&reserved=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&data=01%7C01%7Cart%40synergy-gps.com
>>> %7C66da3e2206114ff5dd4d08d47785fbd8%7Cc81f9fdec0e04d8c95779afaa0cad9
>>> ed%7C1&sdata=YHOtZZE%2Feuttm9AHo0AoKCSufV5%2B4HZDFmxC8wiNvoc%3D&rese
>>> rved=0
>>> greg
>>> w9gb
>>> Sent from iPad Air
>>>> On Mar 28, 2017, at 12:18 PM, Larry McDavid <lmcdavid at 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%2Fww
>>>>> w.synergy-gps.com%2Fimages%2Fstories%2Fpdf%2Fsynpaq%2520product%25
>>>>> 20data%2520sheet%2520040110.pdf&data=01%7C01%7Cart%40synergy-gps.c
>>>>> om%7C66da3e2206114ff5dd4d08d47785fbd8%7Cc81f9fdec0e04d8c95779afaa0
>>>>> cad9ed%7C1&sdata=OLra4YBQH3uovA2Mjuy8EcGfskkvXc7Wwo57ZYDgXDo%3D&re
>>>>> served=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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