Argggghhhh!! Cant found it anywhere! How much does it cost a TRIMBLE LASSEN SQ module? Are there any other chipper options? Best regards Mauricio D. Jancic Janso Desarrollos - Microchip Consultant www.janso.com.ar info@janso.com.ar (54) - 11 - 4542 - 3519 Lugones 3238 "B" - C1430ECN Capital Federal Republica Argentina MSN: jansodesarrollos@hotmail.com=20 >>-----Original Message----- >>From: pic microcontroller discussion list=20 >>[mailto:PICLIST@MITVMA.MIT.EDU] On Behalf Of Rafael Fraga >>Sent: S=E1bado, 13 de Marzo de 2004 00:28 >>To: PICLIST@MITVMA.MIT.EDU >>Subject: Re: [PIC]: Interfacing a GPS chip with a PIC? >> >>I4m working with a Laipac module (Sirf chipset). Currently=20 >>parsing messages and working proper init strings. It connects=20 >>via two RS232 TTL levels, with two protocols available: a=20 >>NMEA option and a Sirf propietary one. >>I have no objections, although datasheet is not the best. =20 >>There is a demo program, to evaluate the performance with a=20 >>PC. Quite useful. >>This module also has a battery backup, and and active antenna. >>The PIC side: a 18F252 >> >>Rafael Fraga >> >>----- Original Message ----- >>From: Bob Axtell >>To: >>Sent: Friday, March 12, 2004 11:08 PM >>Subject: Re: [PICLIST] [PIC]: Interfacing a GPS chip with a PIC? >> >> >>> Richard Zinn wrote: >>> >>> > Has anyone interfaced a GPS receiver chip, like the Motorola M12+=20 >>> > Oncore receiver=20 >>(http://www.synergy-gps.com/M12_Oncore_Timing.html)? =20 >>> > Or maybe >>a >>> > good website out there that describes how someone did it? Seems=20 >>> > like >>I've >>> > seen posts about this on this PIClist, but I couldn't=20 >>find anything >>useful >>> > in the archive. Maybe someone has an idea of another GPS=20 >>receiver=20 >>> > that would be good to try and use with a PIC. >>> >>> TRIMBLE actually pioneered this business for the military,=20 >>and their=20 >>> receivers are truly the very best. Motorola is a newbie to this biz. >>> >>> I'm interfacing the Trimble Lassen II which provides its data in TTL >>> RS232 (direct connection to PIC). The module is only 1.4"w=20 >>x 3.2"l and=20 >>> only 0.3" high, including the 8P header connector. Needs a=20 >>3V battery=20 >>> backup to get oriented after shutdown, but I use a Lithium Vanadium=20 >>> Pentoxide rechargeable, so it never needs to be replaced. I'd never=20 >>> use anything else. >>> >>> Checkout http://www.trimble.com/ . >>> >>> --Bob >>> -- >>> >>> Replies: NOTE-Script, EXE,BAT and COM >>> files will be rejected by server >>> -------------- >>> Bob Axtell >>> PIC Hardware & Firmware Dev >>> http://beam.to/baxtell >>> 1-520-219-2363 >>> >>> -- >>> http://www.piclist.com hint: PICList Posts must start with=20 >>ONE topic: >>> [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other=20 >>[BUY]:,[AD]: ->Ads >>> >>> >> >>-- >>http://www.piclist.com hint: PICList Posts must start with ONE topic: >>[PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads >> -- http://www.piclist.com hint: The list server can filter out subtopics (like ads or off topics) for you. See http://www.piclist.com/#topics