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. < > http://tomwimmenhove.com/otherstuff/Oncore/ > > >> 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://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 <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: >>>> 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 > > _______________________________________________ > 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.
