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Re: GPS for hardware hackers, $24.95

Hi Vito / Wear-Hard,

I actually bought one of these just over a week ago and I'm pretty 
impressed. I have a small handheld unit with a display, but the 
antenna on this one seems much better. I can sometimes get co-
ordinates without line-of-sight to satellites e.g. inside a carpark (with 
open sides). Also with the antenna sitting in the center console of 
my car, it can pick out satellites through the windscreen and side 
windows. To get satellites with my older handheld unit it would have 
to be mounted on the dash, and it would still only find satellites in 
front of the car through the windshield.

Another neat trick with this one is to connect it to a Windows 2000 
machine already equipped with a USB mouse. While windows is 
booting it seems to think that the GPS is a second mouse on the 
serial port and the cursor moves around erratically and left and 
right clicks =).

Regards,

Nick

----- Original Message -----
From: Vito Miliano <>
Date: Friday, July 5, 2002 10:06 am
Subject: GPS for hardware hackers, $24.95

> wear-hard--
> 
> From a comment on Slashdot (so who knows how much longer 
they'll 
> be in
> stock):
> 
> http://www.bgmicro.com/lmad.htm
> 
> It's a "Trimble Navigation SVeeSix-CM3 GPS Module for 
Embedded OEM"
> unit.  Description from the site:
> 
> "GPS OEM receiver board with active patch antenna.  Removed 
from
> equipment that tracked position of 'long haul trucks.'  Rugged and
> reliable six-channel Trimble Navigation SVeeSix-CM3 GPS receiver
> board.  Position and velocity data anywhere on earth, any time of 
day,
> in any weather.  Accurate time.  A 1 pulse per second signal is
> synchronized to UTC within a nominal accuracy of 1 microsecond- 
ideal
> for multi-site synchronization and time-distribution applications.
> 
> Includes 1-3/4''x1-3/4'' active GPS patch antenna.  Ready to
> incorporate in a weatherproof housing.  Antenna is powered 
directly
> from the receiver.  2 CMOS/TTL compatible data ports and
> pulse-per-second(PPS) output.  Can be interfaced to PC(RS232
> interface, suggested interface schematic included) or embedded
> processor projects.  Manufacturer's software, freeware/shareware
> compatible programs available.  User must supply regulated 
+5Vdc,
> interface to PC or embedded processor, and a weatherproof 
housing.
> Ideal setup for individuals wanting to incorporate GPS into their 
next
> custom design project, or for those wanting an inexpensive means 
to
> explore GPS hardware and software interfaces.  Includes multi 
page
> "Getting Started Guide" with specifications, suggested RS-232
> interface schematic, firmware ID and programming guide, and 
suggested
> Internet information links.  A steal at twice the price."
> 
> Datasheet: http://www.bgmicro.com/pdf/acs1394.pdf
> 
> Thanks,
> --Vito
> 
> 
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