[OZAPRS] GT Oncore Modules

[Stephen Lombard]

Hi Andrew and Brenton,

Well, I don't have a GPS or TNC per-say, but I've managed to write an
[untested] ATMEGA128 that converts just about anything-I-could-find to
anything-yo-want, which would mean NMEA->Motorola->NMEA etc.

It's currently on the bench whilst I am writing some DSP code to make it
go
1200bps/300bps (I have little faith in any more bps for this chip) and
using
that I should have something the size of a matchbox to whack on the back
of
a GPS (I plan to use SMD throughout)

Then plug the radio in and you're good to go :)

It requires a bit of a session with Hyperterminal before you can use it,
but
I'll write some software to make it easier soon.

73 de Steve, VK6ISP

----- Original Message ----- 
From: "Brenton Meadows Motorola GPS " <brenton at posnav.com.au>
To: <ozaprs at marconi.ics.mq.edu.au>
Sent: Saturday, May 15, 2004 9:31 AM
Subject: RE: [OZAPRS] GT Oncore Modules


> HI Andrew,
>
> Would be very interested in the pic interface, I have a qty of version
1.6
> and 1.3 which then could be used.  They owe us $45 each so not real
pricey,
> even with the pic added.
> Regards
> Brenton
>
> Brenton J Meadows
> Managing Director
> Position and Navigation Systems Pty Ltd
> Authorised Motorola OEM GPS Products
> Authorised Yaesu  Distributor
> 19 Tennyson St
> Medindie
> South Australia 5081
> Australia
> Ph  08 83424700
> Fax 08 83424600
> Mobile 0418 844700
> Webpage: www.posnav.com.au
> Email: brenton at posnav.com.au
>
>
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> -----Original Message-----
> From: ozaprs-bounces at marconi.ics.mq.edu.au
> [mailto:ozaprs-bounces at marconi.ics.mq.edu.au] On Behalf Of Andrew McDade
> Sent: Saturday, May 15, 2004 9:22 AM
> To: ozaprs at marconi.ics.mq.edu.au
> Subject: Re: [OZAPRS] GT Oncore Modules
>
> Gday Ron,
>
> Winoncore12 as mentioned should work and allow you to change the modes
of
> the GPS engine.
> However just keep in mind that there was an older version of the oncore
gps
> engine that only supports the Motorola proprietory data formats. It's
very
> similar to standard NMEA sentences , but different enough to make them
> unusable for our purposes. The winoncore12 progam will enable you to
change
> between the Motorola binary format , which is generally its default ,
and
> the motorola ascii
> format , which is "readable" but non NMEA compliant. If you find that
you
> have the older oncore gps engines ie the non GTplus type then let me
know.
I
> use the older oncores here , but with a pic interface that I knocked
> together that does the conversion from the motorola ascii format to GGA
and
> RMC sentences. I also have the manuals here as pdf files. But I think
you
> can get them off the net anyway. Let me know how you go.
>
> Regards .. Andrew .. VK5EX
>
>
>
> ----- Original Message -----
> From: "Ron and Val Smith" <rsmitj at tpgi.com.au>
> To: <ozaprs at marconi.ics.mq.edu.au>
> Sent: Saturday, May 15, 2004 6:09 AM
> Subject: [OZAPRS] GT Oncore Modules
>
>
> > Hi All,
> > I have obtained a small number of the gps modules mentioned a short
time
> > ago.
> > Has anybody found the software to work with the Morotola Binary
Protocol
> to
> > command these to NMEA?
> > I have made an interface for rs232 and it switchable from inverting to
> > non-inverting but all I see is gibberish and sending the @@Ci command
from
> > the keyboard does not work.
> > Cheers
> > Ron
> > vk4ags
> >
> >
> > _______________________________________________
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